enable to

Enable NTFS read-write support in Mac computers

Enable print without buying new AirPrint printer on your iOS device.

Enable over 1,000 hidden features in OS X and other apps.

Enable hidden features in OS X.

Enable the black boot screen with white Apple logo on all Macs.

Enable and disable all global shortcuts.

Enable you to convert and burn MP4 videos to customized DVDs on Mac.

Enable third-party menu extras on Mac

Disable and enable Notification Center at will.