QuicKeys 4 requires you to take it easy and relax.

• Designed for Mac OS X 10.5 Leopard and 10.6 Snow Leopard. With assistance from our Support Department and our
   customers, QuicKeys 4 substantially works with 10.7 Lion, 10.8 Mountain Lion, 10.9 Mavericks, 10.10 Yosemite,
   10.11 El Capitan and 10.12 Sierra

   Click on Support in the header for required instructions.

• Product activation and some features require an Internet connection.

• Some features require an iPhone or iPod touch with QuicKeys Anywhere app installed. QuicKeys Anywhere
   available via the iTunes App Store.