How to Enable Accessibility on Mac OS X
Open System Preferences > Security & Privacy
If you don't see the app you're trying to authorize, you can add them by using the [+] button or simply drag and drop the app from Finder to add it.
Open System Preferences > Security & Privacy
If you don't see the app you're trying to authorize, simply drag and drop the app from Finder to add it.
Open System Preferences > Accessibility
Check the box next to "Enable access for assistive devices"