Open Finder
Click Applications in the sidebar
Find the app you want to delete
Drag the app to the Trash
Or right-click the app and choose Move to Trash
Enter your Mac password if prompted
Empty the Trash to permanently remove the app
For apps from the App Store, open Launchpad
Press and hold an app until it jiggles
Click the X on the app
Click Delete to confirm
If no X appears, delete the app from Finder instead