How to Completely Uninstall Zettlr Mac Apps with Free Methods and Mac Uninstallers
In this post, we'll show you how to delete the Zettlr app complete from your Mac, using free methods and paid third-parties tools. These paid tools are hands-on tested and picked by our editors, and are the best Mac uninstallers available in the market in terms of removal capability, ease of use, and cost-effective price. We'll walk you through the steps using free methods and the #1 rated App Uninstaller by AppUninstaller.com to completely uninstall Zettlr app. These versions of macOS operating system have been tested and comfirmed to be effective by using App Uninstaller: macOS Sierra, macOS High Sierra, macOS Mojave, macOS Catalina, macOS Big Sur, macOS Monterey and earlier Mac OS X and OS X.
To get rid of Zettlr thoroughly and safely, it is recommended to use our #1 rated Mac uninstaller: App Uninstaller.
The award-winning App Uninstaller is the most powerful Mac uninstaller in the industry, empowering you to completely uninstall any unwanted Mac apps with ease. It is lightweight to run without affecting your Mac in any way, and the cheap and one-time charge price has any other competitors beat miles away.
Manual method: How to delete Zettlr completely on Mac
To completely uninstall Zettlr, you'll need to delete the Zettlr app in the Applications folder, and then manually search and delete all the remnants of the Zettlr, most of which are located in the Library section or anywhere else, depending on how the app developer stores these files.
Delete the Zettlr app from Applications
- Open Finder, and click Applications on the left sidebar.
- Select Zettlr (or click inside the Zettlr folder), click and hold the app's icon on Trash.
- Empty the Trash.
Search and delete all leftover files of the Zettlr app
- Open Finder, and click Library on the left sidebar.
- Enter the Zettlr name into the search bar at the upper right.
- Select all the files of Zettlr, and then move them to Trash.
- Empty the Trash.
Note: You might need to check other sections of your macOS for the Zettlr leftovers, and if found, delete them via the Trash method. If the Zettlr app still runs at startup, you'll have to go to the Login Items section, and then remove it from there.
Automated method: Use Mac uninstallers to uninstall Zettlr completely with ease
The manual method stated above will get rid of these leftovers of the Zettlr app completely, in most cases. However, you will need to be careful when you're deleting these files, which should be associated with the Zettlr app only. If you accidentally delete files you and your Mac need, your Mac might not be working normally as you usually do. That is why we recommend you use decent, all-around, and cheap paid Mac uninstallers to get the job for you with ease.
What are the best Mac uninstallers
How to choose the best Mac uninstallers
It is not a simple task to choose the best Mac uninstallers as the Mac utility market is murky and is full of solutions claiming to be the most powerful, the most thorough capability, or the best around. At HowtoUninstallMacApp, we believe that every solid Mac uninstaller should have these features built into their cores:
The best Mac uninstallers to remove Zettlr
We’ve gone over all our picks below, checking what they can and cannot do, as well as testing the privacy issues like whether they're collecting your data without any consent. We’ve also done our due diligence to see if there have been any reports about breaches of trust. After a ton of hands-on testing against hundreds of apps, we've put out a list of the best Mac uninstallers below. And our top recommendation is App Uninstaller. It is the most powerful, lightweight, simple to use, and cheap (affordable & one-time) Mac uninstaller you should have.
How to Uninstall Zettlr on macOS with App Uninstaller
Firstly, please visit the official AppUninstaller.com and then choose a price plan suiting to your need. Then follow the steps below to completely delete the Zettlr app on your Mac.
- Sign in the member area, and then download App Uninstaller.
- Select the Zettlr app on the right, and then click Run Analysis.
- Review the scanned files of Zettlr, and then click Complete Uninstall.
- The Zettlr app removal is completed.
What is macOS
The operating system that runs all Mac computers, similar to how Windows runs on PCs, is called macOS. macOS gets solely included with Apple machines, unlike Windows. One of the reasons Apple gear gets purchased by many consumers is the operating system. Regular security updates and one significant upgrade are applied to the operating system every year. The initial version (10.0) of macOS was released in 2001 and was formerly known as Mac OS X. The most recent version, macOS 13 Ventura, was made available in June 6, 2022.
macOS, in contrast to Windows, is based on the Unix operating system, which dates back to the 1970s. As a result, it has several features in common with Linux and other Unix ancestors, such as the Bash command-line tool and the Unix permissions layer. macOS is a user-friendly operating system that includes several programs to make routine operations like email and web browsing easier. It works nicely with the iPad and iPhone, two members of Apple's mobile device family.
Features of macOS
Decreased virus attacks
macOS has fewer virus threats because it is the second-most prevalent operating system and has fewer active users. The other factor that makes it more virus-resistant than Windows OS is its association with UNIX.
Favourable client service
Mac customers receive Good assistance from the company compared to other operating systems. Apple employs knowledgeable engineers that assist customers in resolving hardware and software-related problems.
The product interfaces are all similar
Similar to other Apple products like the iPhone and iPads, macOS features a graphical user interface (GUI). When switching from other Apple products, users feel at ease using macOS.
Performance and durability
Apple produces hardware and software, making its hardware communication incredibly effective and enhancing performance. Hardware and the operating system perform flawlessly. Apple computers last longer than other brands of PCs. Mac laptop batteries have a longer lifespan.
If you install Windows, it comes with pre-installed applications that make your computer slower, such as Onedrive. But with macOS, this is not the case because it has apps that don't slow down your system. iPhoto and iMovie are two of the macOS pre-installed applications.
NTFS and FAT support
Both NTFS and FAT get supported by macOS as Windows file system formats.
Installing Your New Mac
It will take about 20 minutes to set up your Mac, and you will beget guided through the process.
Take your Mac out of the box first, then plug in any necessary peripherals (keyboards, pointing devices, etc.) before pressing the Power button. After seeing the Apple logo on the screen, you may begin configuring your machine.
You'll need to connect to Wi-Fi, so be prepared with your login information. Following that, you'll have the option to share anonymous usage statistics with Apple and be prompted for details such as your time zone and keyboard layout. An Apple ID is required for your Mac to use iCloud, the App Store, iTunes, and other services. Use the same account if you get to use it on your iPhone or iPad. You can now create an Apple ID if you don't already have one.
How to Uninstall Zettlr on macOS Sierra with App Uninstaller
The Zettlr uninstallation process is the same as the steps stated in the section How to Uninstall Zettlr on macOS with App Uninstaller. Please follow the same steps to completely remove Zettlr using App Uninstaller on macOS Sierra.
What is macOS Sierra
The operating system macOS Sierra, version 10.12 of Apple Computer's Mac OS X for Macintosh desktop, laptop, and server systems, is the replacement for Mac OS X El Capitan.
Apple changed the naming convention for its flagship operating system with the release of macOS Sierra, moving away from the lengthy "Mac OS X" moniker in favour of the shorter, more streamlined "macOS." It also better blends with the company's other operating systems, including iOS, watchOS, and tvOS.
macOS Sierra is available to who?
Sierra is upgradeable for anyone with a more recent Apple machine. Some Macs from 2010 and older won't be able to upgrade, even if they met the prerequisites for El Capitan or Yosemite. You can update to macOS Sierra on the following models:
- MacBook: Late 2009 and later
- MacBook Air: 2010 and later
- MacBook Pro: 2010 and later
- iMac: Late 2009 and later
- Mac Mini: 2010 and later
- Mac Pro: 2010 and later
What's new in macOS Sierra?
Apple's Siri personal assistant is now accessible on Macs for the first time through macOS Sierra. There are Mac-specific features with the iOS-specific ones that Siri can carry out, such as answering basic questions, looking up information, sending messages, opening apps, and more.
In addition to a new automatic unlocking capability and a global copy-paste option, macOS Sierra has increased the continuity features. When you are close to your Mac, automatic unlock allows you to use an authenticated Apple Watch to open it over Bluetooth. The feature requires iOS 10 and watchOS 3 on your iPhone and Apple Watch, as well as a Mac model released in 2013 or later.
Apple claims to have added object and scene recognition to the Photos program, improving face recognition. It gathers connected photos into "memories" using the object, location, and face recognition. Memories are photo slideshows with music and transitions chosen by an algorithm that the user can customize. The "Individuals" album groups images according to the people in them and Places displays all images on a map of the entire world.
Now that rich links are available for usage in messages, you may view content previews like website pages right in the messages stream. Videos can get watched inside the messaging app by using rich links. macOS Sierra now has iOS 10 Messages features, such as "Tapback," which allows users to swiftly reply to messages with a heart-shaped or thumbs-up indicator and a Larger emoji.
All files kept on the desktop or in the Documents folder in macOS Sierra are automatically synced to iCloud, making them accessible on other Macs and iOS devices. Desktop and Document files are effortlessly synced and instantly accessible on other Macs when logged into an iCloud account. Files on the desktop or Mac's document folder are accessible via the iCloud Drive app on the iPhone and iPad.
Apple Pay can get used for online purchases on participating websites that have signed up to accept it. An unlocked Apple Watch worn on the user's wrist or the Touch ID button on an iPhone are used to verify Apple Pay purchases made online.
How to Uninstall Zettlr on macOS High Sierra with App Uninstaller
The Zettlr app removal steps using App Uninstaller on macOS High Sierra are the same as the ones stated at How to Uninstall Zettlr on macOS with App Uninstaller section.
What is macOS High Sierra
The fourteenth primary edition of OS X, also known as macOS, Apple's desktop and server operating system for Macintosh computers, was initially made available on September 25, 2017, as macOS High Sierra (version 10.13). It is macOS Mojave's predecessor and Sierra's successor. High Sierra was named after the High Sierra region of the Sierra Nevada mountain range, adhering to the California landmark-based naming policy first introduced with Mac OS X Mavericks.
The new video compression standard is called HEVC, and it is roughly twice as good as the H.264 standard that is now in use. It produces a superior video bit-stream and can swiftly compress your 4K videos more effectively. The new standard also requires a small amount of data, so you can stream those high-definition videos even if your internet connection isn't fast enough.
Machine learning, virtual reality, and support for external GPU get added, revitalising the Metal graphics processor. The focus of Metal 2 is on GPU support rather than CPU support, enabling better loading and processing, or claimed by Apple, 10x faster.The latest macOS High Sierra operating system also supports external GPUs. It implies that programs requiring lots of graphics will run on even MacBooks.
MacOS High Sierra now supports VR thanks to Metal 2, and more virtual reality applications are on the way. Both the iMac 5K Retina Display and the iMac Pro will enable VR. Additionally, playing VR games will be a seamless experience thanks to the addition of external GPU support in macOS High Sierra. Now, Mac users may access the SteamVR platform as well.
The Intelligent Tracking Prevention update is the Largest enhancement to Safari. Every website you visit will have a customised surfing experience thanks to Safari, a feature included in macOS High Sierra. Reader View, page zoom, content blockers, and auto-play blocking are just a few of the features enabled. All of it may get found in the same section as Reader View.
You can quickly locate whatever you're looking for while searching in the Mail app in High Sierra since the most Pertinent results get displayed as "Top Hits." You can also compose emails while simultaneously viewing them in a split-view, which is an option. So, it significantly boosts productivity.
The new macOS has also upgraded the Notes app. You can now pin a particular note to the top of the list if it is too frequently to maintain it in your line of sight. Any time you need to edit it, pick it up where you left off. The new macOS also has tables in the Notes app. It now turns into a tiny spreadsheet to keep track of anything from finances and party guests to your wedding arrangements.
Spotlight offers flight information.
Type the flight number into the Spotlight app, and it will search to find the information you need to arrive there promptly. The details offered will include terminals, delays, gates, departure and arrival times, as well as maps of the airport. To expand your knowledge, Spotlight in macOS High Sierra offers support for celeb trivia, constellation facts, and several Wikipedia results.
How to Uninstall Zettlr on macOS Mojave with App Uninstaller
Please follow the steps instructed in the How to Uninstall Zettlr on macOS with App Uninstaller section to completely delete Zettlr on macOS Mojave.
What is macOS Mojave
One of the most recent OS version used by Apple's Macs is called macOS Mojave, unveiled during the 2018 Worldwide Developers Conference. The first Mac update in several years without a name with a mountain theme is called macOS Mojave, which refers to the software's visual modifications inspired by the desert at night. The system-wide Dark Mode in macOS Mojave is its most notable feature; it goes beyond the dock and the menu bar to encompass entire windows and apps, with native programmes like Mail, Calendar, iTunes, Xcode, and others adopting the dark appearance.
Describe macOS Mojave
The 15th major release of Apple's dynamic desktop operating system for its line of computer devices, macOS (formerly known as Mac OS X), is called macOS Mojave, designated version 10.14. Although adding numerous new capabilities to the existing framework of services that mac users have come to know and love, Apple continues to draw its entire operating system from Unix. Apple no longer offers support for Mojave.
- 10.8 or later for Mac OS
- 2 GB of storage
- 15 GB of storage space must be available to update.
- Certain functionalities demand an Apple ID.
- Some functionalities need an internet connection.
What are the main characteristics of macOS Mojave?
Apple adds new functionality, software upgrades, and security patches to every major version of the macOS operating system, and macOS Mojave is no exception. Some of the most notable features of macOS Mojave include those ones.
As part of its privacy features, macOS Mojave requires user permission before allowing access to system resources like the webcam or microphone or sharing location information with any programme. With the help of Intelligent Tracking Prevention is a feature of Safari, no longer can social media platforms, websites, or advertising track your online behaviour without your express permission.
Strong passwords can be generated, used, and stored automatically. It prevents users from using weak passwords and performs checks to ensure that passwords are correct.
OS support for apps:
This revolutionary feature enables developers to migrate their iOS applications to macOS and allows you to use them on your computers like an iPhone or iPad. The availability of this new component won't start till 2019.
Group FaceTime enables simultaneous video and voice conversation for up to 32 participants using any Apple device, including the iPhone, iPad, Mac, and Apple Watch. Mobile professionals will especially appreciate this improvement.
Desktop Stacks is a brand-new feature that has added to the Finder. Grouping files depending on type with touch of a button helps organise files on the Desktop or in any folder. The feature can alter users, and they can sort by file attributes like timestamps or metadata tags.
Dark Mode is one of the praised aesthetic improvements in macOS Mojave. It is changing in a colour scheme favours darker shades over lighter ones. It allows the user to concentrate on the job while the menus and toolbar seem fade into the background. Apple claims that Dark Mode "works with built-in Mac apps' third-party apps can adopt it, too."
Apple News, Stocks, Home, and Voice Memos are among the new applications that have made their way from iOS to macOS.
How to Uninstall Zettlr on macOS Catalina with App Uninstaller
You can follow the same steps as stated in the How to Uninstall Zettlr on macOS with App Uninstaller section to completely deleting Zettlr using App Uninstaller on macOS Catalina.
What is macOS Catalina
An older version of the Mac's operating system called macOS Catalina, often known as macOS 10.15, is used. The name of the operating system macOS Catalina is a reference to Santa Catalina Island, also known as Catalina and one of the Channel Islands off the coast of Southern California. macOS Big Sur came before macOS Catalina.
Apple removed the iTunes programme from macOS Catalina, which has been a mainstay of the Mac operating system since 2001. The three apps that made up iTunes were Music, Podcasts, and TV. Although they organised by feature, the new applications function similarly to iTunes for now. In Catalina, managing your devices is still possible, but you do it via the Finder rather than an app.
Long Live Music, TV, and Podcasts, not iTunes
The removal of iTunes and the introduction of three new apps to take its place is the most noticeable change in Catalina. The three new apps streamline operations while introducing some much-needed new functions. Over time, Apple crammed iTunes with features were tougher to locate with each new iteration. The Mac version of the iOS Music app is called the Music app. It has a button that shows music lyrics and is larger and more colourful than iTunes. Additionally, it shows the complete lyrics rather than the line-by-line display found in iOS—but only if you have an Apple Music subscription.
MacOS 10.15.7 is the most recent version.
The most recent version of macOS Catalina is 10.15.7, which was made available to the general public on September 24. The fault that might prevent files from syncing through iCloud Drive fixed in macOS Catalina 10.15.7. Most importantly for new iMac owners, the problem was causing a thin white flashing line to appear on Macs equipped with the Radeon Pro 5700 XT is now fixed. Release notes are below: Fixing a problem whereby Wi-Fi networks on macOS would not automatically connect resolves; a problem that can make it impossible for files to sync over iCloud Drive.
How to update Catalina on macOS?
It's a good idea to backup your data before updating your Mac in case there issues with the upgrade. You internet connection to install the update. Additionally, a restart of your Mac is required to complete the installation.
These are the procedures.
- Select Apple from the options.
- Select About this Mac.
- If the Overview tab is not already selected, select it in the popup displays.
- On the Software Update button, click. It will open the Software Update system preference.
- There will be a macOS Monterey update. Click on "More information" tab Monterey if you want the Catalina update.
The Catalina update window should display. Click on the Install Now button when you prepared to begin installing.
Where do I find macOS Catalina?
Mac App Store users can purchase macOS Catalina from Apple. Use a dependable internet connection and be ready to be unable to use your Mac for anything else while the installation is taking place because the download will be several gigabytes in size. Catalina will receive updates via the Software Update system choice. To sync your phone with your Mac right now, use the Finder.
How to Uninstall Zettlr on macOS Big Sur with App Uninstaller
To completely uninstall Zettlr on on macOS Big Sur, please refer to the steps in the How to Uninstall Zettlr on macOS with App Uninstaller section.
What is macOS Big Sur
The Macintosh operating system was created Apple Inc called macOS, and version 11 is known Big Sur. On June 22, 2020, it revealed at Apple's Worldwide Developers Conference (WWDC), and on November 12, 2020, it was made available to the general public. Big Sur is the replacement for macOS Catalina and by macOS Monterey on October 25, 2021. Of all the improvements, macOS Big Sur's redesigned user interface with new blurs to create a visual hierarchy most notable. Other changes include a reworking of the Time Machine backup system. Also supported are Macs with ARM-based processors for the first time in a macOS release.
Refreshed Design: Clear and Recognisable
Big Sur has a fresh, roomy layout that streamlines navigation and places more controls at the users' disposal. The meticulous design will be advantageous to everyone, from new Mac owners to the most discerning professionals, from the curve of window corners to the palette of colours and materials.
A more unified look and feel, dock icons show more consistently throughout the Apple ecosystem while still maintaining their Mac flair. Additionally, a new app design makes it simpler for consumers to stay concentrated on their information and engage with apps.
Control centre and the menu bar
To better mix with the desktop, the menu bar at the top of the screen has been made transparent. Like the dock, it may also hidden when not in use. There is more room between lines in pull-down menus, making them easier to read. The icons and dropdowns in the menu bar have all updated, and most significantly, the battery icon now displays information about the remaining battery life. Additionally, System Preferences provides access to battery usage information, and macOS Big Sur contains the Optimised Battery Charging function that first implemented in macOS Catalina to increase battery life.
- How to disable the enhanced battery charging feature in macOS
- How to Examine the Apple Silicon MacBook's Battery Condition
The new Mac Control Center is located in the menu bar and offers quick access controls for Bluetooth, Wi-Fi, display brightness, keyboard brightness, now playing, and toggles for Dark Mode, AirPlay, Night Shift, Do Not Disturb, and True Tone.
In macOS Big Sur, Sheets, the tiny pop-up windows appear when you print or have redesigned with the borders and bezels removed to make them less intrusive. Sheets automatically resize into the app's centre and dim into the background.
The old-school Mac sounds have all modernised and improved to be "more aesthetically pleasant." Each sound produced using samples from the original noises, which gives them a familiar but fresh tone. Additionally, Apple has reinstated the traditional startup chime eliminated from the MacBook series in 2016.
Information CenterIncoming alerts and widgets are now combined in a single view in the newly redesigned Notification Center, giving users access to more information quickly. You can now play a new podcast or reply to an email when you receive a notification, and notifications now organised by app.
How to Uninstall Zettlr on macOS Monterey with App Uninstaller
You can folow the same steps in the How to Uninstall Zettlr on macOS with App Uninstaller to thoroughly uninstall Zettlr app on macOS Monterey.
What is macOS Monterey
The most recent version of macOS, macOS 12 Monterey, was made available on October 25 and was first introduced at WWDC in June 2021. Despite being a smaller version than macOS Big Sur, macOS Monterey nevertheless includes several noteworthy new features that enhance the Mac user experience.
One of the enhancements is probably Universal Control, which makes it possible to transfer material between devices by using a single mouse, trackpad, and keyboard on numerous Macs the iPad. Additionally, a new AirPlay to Mac option enables you to AirPlay movies, games, images, and other content from your iPhone or iPad to your Mac. Additionally, the Mac may function as a speaker for multiroom audio.
How to Install and Download Monterey?
Does your Mac run the newest operating system? These simulations back it up:
- Apple MacBook: 2016 and later
- MacBook Air: from early 2015 forward
- MacBook Pro: from early 2015 forward
- Mac Mini: as of late 2014
- iMac: as of late 2015
- iMac Pro:2017
- Mac Pro: as of late 2013
By selecting the Apple icon in the menu bar and selecting About This Mac, you may see what model your Mac is. You'll need at least 26 GB of free storage if you're upgrading from MacOS Sierra or a later version to download and set up Monterey. from an even earlier version, upgrading? Up to 44 GB of free space are required.
Perhaps our guide on laptop space optimization will be of use. Before installing the OS, there is one more step you need complete: back up your Mac. You can achieve this by using Time Machine to back up your files or keeping them in iCloud. Apple provides detailed instructions for both techniques here.
What is macOS Monterey's most recent version?
On Monday, October 25, 2021, about 10 am PT made macOS Monterey (macOS 12) accessible to download (as long as you have a compatible Mac) (6 pm UK time). Our Monterey Superguide has detailed information about Monterey and its characteristics. You might also enjoy reading our comparison of Big Sur and Monterey. Since the release of Monterey, Apple has continued to improve it, introducing new features while also addressing (and occasionally introducing) bugs and security flaws. The most recent version, macOS 12.5, was made available on July 20. It includes "enhancements, bug fixes, and security improvements," according to Apple. Additionally, a Safari tabs issue resolved. Several security upgrades also included.
The most recent release of macOS Monterey is version 12.5, which went on sale on Wednesday, July 20. The update adds support for the M2 chip, offers the ability to resume, pause, fast-forward a live sports event, and resolves bug in Safari where a tab could accidentally switch to a previous page. MacOS 12.4 was a prior version that brought controls for downloading podcast episodes, supported updated firmware for the Studio Display to enhance webcam quality, and moved Universal Control out of beta.
New emojis added to macOS 12.3, Python 2 deleted, password saving improved, Spatial Audio with dynamic head tracking for M1 Macs included, and Universal Control support added. Along with several other faults and security problems, the update also appears to fix a Bluetooth-related power drain issue on MacBooks while in Sleep Mode.
How to Uninstall Zettlr in older Mac running on Mac OS X and OS X with App Uninstaller
App Uninstaller is one of the most OS-compatiable uninstaller in the industry, running almost any OS from the old Mac OS X to the latest verions of macOS. You can use App Uninstaller to completely delete the Zettlr on Mac OS X and OS X, following the tutorial similar to the steps stated in the How to Uninstall Zettlr on mcOS with App Uninstaller section.
How to fix install errors or the leftover Zettlr app still running issues caused by incomplete Zettlr app removal
To fix these install-related errors, you'll need to can use App Uninstaller to completely uninstall Zettlr app .
How to Speed up a Slow Running Mac
It will eventually slow down, whether you have a brand-new MacBook Pro or an outdated MacBook Air. The speed of your device is not always affected by its age, which is a positive. Several reasons it slows down, but most of them are within your control. It's not complex to speed up your Mac once more—click here, tweak there. We've compiled a list of optimization advice to save you from the spinning beach ball's frustration. Utilise them to get the most out of your device. Here are the best methods for speeding up a Mac:
Your Mac computer can easily be left running without being shut down. One of the Biggest benefits of utilising any Apple device is that it's typically ready when you are. When you restart your computer after saving data, the memory (RAM) gets a clean start, and any background processes or apps that are still active get terminated.
Limit the number of open apps
Numerous programs open at once use up limited and vital RAM resources. When you multitask, all the open apps and their ongoing processes share the RAM you have available. Increasing the number of programs you can have open when multitasking without experiencing performance slowdown is one of the advantages of enhancing your memory.
Reduce the number of tabs you have open while browsing the web.
The amount of RAM that your daily-used apps use can surprise you! When you have a lot of tabs open when browsing the web, your computer may become extremely slow if you don't have enough RAM.
When you open a new tab, it's similar to starting a new browser, and when you have more than 10-tabs open, your system resources and memory get depleted.
Limit the number of apps you have in your Dock.
Because they can get accessed more quickly than in a 'Finder' window, the apps you have on the Dock each need data that uses system resources. It is an approach to give your system some breathing room if it is close to its breaking point. You can further reduce the amount of RAM the Dock needs by unchecking the Animate opening programs and Automatically hiding and revealing the Dock boxes in System Preferences > Dock.
Actively updating a system's apps or the operating system gives you the newest features and typically adds performance upgrades that frequently consume more system resources. You'll be able to run the most recent version of each updated program if you have the most RAM installed and an SSD.
Switch to an SSD instead of your HDD.
Making the switch to an SSD speeds up typical processes like booting up, loading programs, storing data, and transferring files by an average of six times compared to using a hard drive. As opposed to SSDs, which rely on cutting-edge flash memory rather than on small moving parts prone to malfunction and slow performance, older Mac systems often have the now-outdated storage technology of hard drives. SSDs access data instantly. SSDs are not only far quicker than HDDs, but they are also intrinsically more reliable, dependable, and energy-efficient.
Remove Zettlr and other unused apps
You can uninstall all the unused apps, including Zettlr, to free up disk space and speed up the overall performance. If your Mac is running with sufficient disk space and consuming less RAM, speed improvement will be significant.
Uninstall the resources-consuming app and find alternatives
If some apps (e.g. the Zettlr app) are running with high resources, you can always find some other apps that are lightweight to run. Go to the App Store or use the search engines to find alternatives.
Remove items at Login Items
Some apps automatically run on startup and can slow down your bootup speed greatly. You can remove the apps or leftover entries (after the Zettlr manual removal) at Login Items to disable them from running at startup.
Clean up junks and free up disk space
Please use the Mac uninstallers to remove the unwanted Zettlr app and other apps that you don't need any more completely. You can also manually find the unused files, leftovers, and other digital clutter to free up your disk space, in an effort to speed up your Mac.