Drive Genius 4 gives you faster performance from your Mac while also protecting it. The award-winning and improved DrivePulse feature alerts you to hard drive issues before they become major problems. Optimized for OS X 10.10 Yosemite, top features like Defrag and DriveSlim will help keep your Mac running fast. The all-new BootWell tool lets you create a special bootable secondary drive to Defrag or Repair your main hard drive. You can also personalize and organize your Mac hard drive icons with IconGenius.