how do i uninstall an app from my mac air

See here: link-> How to uninstall apps on your Mac - Apple Support

dlkh Said:

"how do i uninstall an app from my mac air"

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Uninstalling an App from a Mac:

An Uninstaller, Perhaps?:

Use an uninstaller for some Apps. Examples of such apps are Security Software and Microsoft Office.

Generally all you need to do is drag it from the Applications folder to the trash and empty the trash.