macOS Mojave is here and by now you may have installed it and started playing with some of its new features, like the new Continuity Camera that lets you use your iPhone as a scanner on your Mac, or the new Gallery view in Finder, or maybe the new screenshot tools.
However, it’s also possible, given that macOS Mojave is a very new release and still being fine tuned by Apple, that you’ve run into problems and need to reinstall. Thankfully, that’s very easy to do. Before we get to that, however, it’s worth eliminating one other possible cause of the problems you may be experiencing.
When you install an OS on top of another OS, and then do the same the following year when the next version comes out, your Mac accumulates lots and lots of files that it doesn’t need. These are added when applications are installed, when they’re run, and when applications like Photos, Safari, and iTunes are used. Over time these junk files can hamper the performance of your Mac. The solution is to give your Mac a cleanup. We recommend CleanMyMac X. It scans your Mac for junk files and recommends to delete them safely. It can claw back tens of gigabytes of disk space, and improve your Mac’s performance. Give it a go, you can download it for free here, and see how much disk space it can give you back.
The macOS menu bar is a great place for quickly accessing system and application functions using menu extras or 'menulets', but it can get cluttered pretty quickly as more and more icons vie for a.
The new macOS Mojave also favors 64-bit apps, with older 32-bit apps showing a warning when you launch them saying the app is not optimized for your Mac. For the best results when using apps in.
To remove a specific app, highlight it and click the minus button under the list. Hide Login Items on Startup Certain apps can still launch at startup without necessarily popping up on the screen.
Before you reinstall macOS Mojave
QuickTime for Microsoft Windows is downloadable as a standalone installation, but for macOS, QuickTime is bundled with the system and does NOT allow to get rid of. For whatever the reason you want to uninstall QuickTime on Mac, you can follow this quick tutorial to get started (Learn How To Uninstall Safari on Mac).
There are two types of reinstallation. One installs a new copy of macOS Mojave over the current version and leaves everything else intact. The other erases your entire startup disk and installs a clean version of Mojave. The latter is more likely to fix problems and help your Mac run faster, but you’ll have to reinstall all your applications and reconfigure all your settings.
Whichever of the two options you choose, you should back up your Mac first. If you use Time Machine to backup to an external disk or a network drive, you can restore all your applications and settings from that backup after you reinstall macOS Mojave. If you plan to run a clean reinstallation, that’s definitely the simplest route. If you prefer not to use Time Machine, you can use any other backup application, or clone your entire disk.
If you’re reinstalling because you’re going to sell or give away your Mac, you should sign out of iCloud, iTunes, and iMessage first, then run a clean installation.
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How to reinstall macOS Mojave
Once you’ve backed up your Mac, you’re ready to begin the reinstallation process.
The simplest way to install macOS Mojave, and the method that Apple recommends, is to go to the App Store, find Mojave in the Quick Links section on the right hand side of the front page, click it and then follow the instructions to download and install it.
If you’re having trouble with the App Store, or you need to run a clean install, you can do the following.
1. Restart your Mac using one of the following keyboard commands:
Command+R — this will reinstall the version of the OS that was most recently installed on your Mac.
Command+Option+R — this will reinstall the latest version of the OS that is compatible with your Mac.
2. When the macOS window appears, if you’re not performing a clean installation, skip to step 7.
3. Click on Disk Utilities and choose the Erase tab.
4. Give your disk a name, choose APFS or Mac OS Extended (Journaled), and if Scheme is available, set it to GUID Partition Map.
5. Press Erase.
6. When it’s finished, quit Disk Utility to go back to macOS Utilities.
7. Choose Reinstall macOS.
8. Click Continue and follow the instructions. You’ll be asked to choose the disk you want to install macOS Mojave on, if you down’t see your startup disk, select Show All Disks.
9. Select Install and wait for the installation to complete and your Mac to restart.
If you ran a clean installation, you’ll be taken to the Setup Assistant to go through the process of reconfiguring your Mac. If you made a Time Machine backup before reinstalling, make sure it’s connected.
During setup, you’ll be asked if you want to transfer data from another Mac or a backup. Choose that option then navigate to the Time Machine backup to restore data. You’ll be given the option to transfer any or all of: Applications; user accounts; other files and folders; and computer and network settings. Choose the option you want and press Continue.
If you don’t transfer data during setup, you can do it at any time using Migration Assistant in Applications>Utilities.
Reinstalling macOS Mojave is very easy. Just make sure you backup your Mac first and download CleanMyMac X(free version) to give it a good clean up!
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Whether you’re trying to clear up hard drive space or you just want to get rid of an unused app, uninstalling software is a fairly routine task.
Luckily for Mac users, the uninstallation process is a lot simpler on macOS than it is on other platforms. In fact, it’s literally drag-and-drop simple. There’s no “Uninstall Programs” menu in Control Panel like there is in Windows.
Having said that, there are a couple of ways you can actually go about uninstalling apps. Here’s what you need to know.
Uninstall Mac Apps Via Finder
The traditional method for uninstalling apps is to use Finder. If you’re running a particularly old version of macOS (or OS X), this is the method you’ll use.
Open a Finder window.
Click on the Applications folder.
Select the app you want to uninstall.
Right-click the application.
In the menu that pops up, click on Move to Trash.
Alternatively, you can simply drag the application directly to the Trash icon. (It’ll be in the bottom-right corner of the Mac taskbar. You may need to hover over the bottom of the display to get it to show.)
Once the app is sent to Trash, there is one more step you’ll need to take to completely rid your computer of it.
This is also the last time to reinstall an app you’ve recently deleted if you changed your mind. Just drag an app from Trash back to the Applications folder. Or right-click on the app in the Trash folder and click Put Back.
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But to permanently delete apps from your computer, simply right-click the Trash icon in the bottom-right corner of the menu bar. Then, click on Empty Trash. Depending on how much data is in your Trash can, this could take a moment.
Uninstall Mac Apps from Launchpad
The last method is incredibly simple, but OS X Lion and newer versions of the Mac operating system have an easier method.
First, you’ll need to open Launchpad. There are two ways to go about this.
Click the Launchpad icon in the taskbar. It’s shaped like a gray rocket, or six squares.
Alternatively, you can use a Multi-Touch gesture. Simply pinch your thumb and three fingers together to display Launchpad.
From here, the process is similar to iOS.
Click and hold the icon of the app you’d like to uninstall.
Wait until the app icon begins to jiggle.
When it does, click the circular black X icon that appears next to it.
You’ll be a prompt asking you to confirm. Click on Delete.
It’s worth noting that the Launchpad method won’t work on every app. Typically, it’ll only show up on apps that you’ve downloaded from the Mac App Store.
Similarly, unlike iOS, you won’t be able to delete native macOS applications like Safari, Mail or Photos.
Using an Uninstaller for Mac Apps
While these methods will cover the vast majority of apps you interact with on a daily basis, there is another method for certain applications.
Although uncommon, some apps will have their own dedicated uninstallers. This is especially true for app suites like Microsoft Office or Adobe Creative Cloud.
Basically, these app suites come with an uninstaller app because they tend to install other software or support apps. If you install Photoshop on your Mac, for example, Adobe might install a suite of other apps like Adobe Bridge or Adobe Content Viewer along with it.
To do away with an app suite, you can either hunt down each individual app and delete them separately. Or, you can use the uninstaller app that came with the suite.
Generally, it’s recommended that you use the uninstaller. The official uninstall process will typically clean up app data and other miscellaneous files that might otherwise be left behind.
How to Clean Up Leftover Files
Though this isn’t true across the board, some apps will “leave behind” random bits of data or other files. For the most part, there’s really no harm in this. But these leftover files can take up a bit of space on your drive.
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If you’re particularly space-conscious, you might want to go through the process of cleaning them up.
The quickest way to do so is to use a third-party utility app that will automatically locate and delete that leftover data, preference files and caches. An app like AppCleaner is a great choice.
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Use AppCleaner to Clean Up Files
AppCleaner is free and incredibly simple to use. Once you download and install it, follow these steps before you uninstall the actual app.
Open AppCleaner.
Drag an application to the AppCleaner window.
It’ll scan and find all associated files.
Be sure to “check” the files and folders that you want AppCleaner to delete.
Click the Remove button.
You’ll usually need to login with an administrator account to authenticate.
How To Delete Apps On Mac Os Mojave Windows 10
Once you do, AppCleaner will move the app and its associated files to the Trash.
AppCleaner also has a “SmartDelete” option that’s located in its Preferences menu. This will save you from having to checkmark each file or folder before AppCleaner removes them.
As with the other methods explained above, you’ll need to empty the Trash before the apps (and their files) are actually deleted from your hard drive.
Manually Clean Up Leftover Files
If you don’t want to use a third-party option, you’ll need to dig around and find those files yourself. It’s not the hardest thing to do, but it requires a bit of know-how.
You will find these leftover bits of data in your Library folder. Here’s how to get to it.
Open a Finder window.
Click on the Go menu in the top menu bar.
Hold down the Option key.
You’ll see a new folder pop up titled Library.
Click on Library.
From here, it’s just a matter of searching out the individual leftover files. They might include application support files, preference files, and caches.
In the Library folder:
Application support files will be located in the Application Support
Preference files will be located in the Preferences
Caches will be located in the Caches
Click on any of the above folders. Then, locate a subfolder named after the app you’ve uninstalled. Occasionally, the folder will be named after the app developer, rather than the app.
You can either delete the individual files within that subfolder, or just delete the subfolder itself.