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Open the Finder on your Mac and navigate to the "Applications" folder.
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Right-click GitHub Desktop and click Move to Trash.
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In the menu bar, select the Finder dropdown menu, then click Empty Trash.

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Read the warning in the pop-up box and click Empty Trash.
 
- Open Control Panel. For more information, see Where is Control Panel? in Windows Help.
 - Under "Programs", click Uninstall a program.

 - Right-click the entry named GitHub Desktop, then click Uninstall.