Most of the time, these files will use very little space and won’t cause a problem. Erase an application and it will leave preference files left over in your Library folders. The above method doesn’t actually erase an application’s preferences. RELATED: How to Install Applications On a Mac: Everything You Need to Know How to Remove Left Behind Files For example, try to move the Chess app to the trash and you’ll see a message saying, “Chess can’t be modified or deleted because it’s required by OS X.” Note that you can’t remove built-in applications by doing this. Uninstalling them will remove whatever system-wide changes they made. These applications were installed using the Mac package installer. However, some applications will prompt you for a password when you try to move them to the trash. Most applications will go straight to your trash, and you can then Control-click or right-click the trash can icon on your dock and select “Empty Trash” to get rid of that application and all the other files you’ve deleted. Or, open the Launchpad interface and drag-and-drop an application’s icon to the trash can from there. You can also drag-and-drop an application’s icon to the trash can icon on your dock.

Uninstalling an application is as simple as opening a Finder window, clicking “Applications” in the sidebar, Control-clicking or right-clicking the application’s icon, and selecting “Move to Trash.” Most Mac applications are self-contained items that don’t mess with the rest of your system. So let’s look at all the different things you need to know when it comes to uninstalling applications. Some other apps may have different uninstall processes, too. This method leaves some junk behind, for example, but it’s mostly okay to leave it there. This will cover most situations, but not all of them. But what about applications that don’t have shortcuts, built-in system apps, and other corner cases? Uninstalling an app on a Mac is so easy, you might not even realize how to do it: just drag the app’s icon from the Applications folder into the trash.

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