Clickfree Automatic Backup C2 500 GB USB 3.0 Portable External Hard Drive EASY Run - Automatically backs up all your content EASY Organizer - Automatically finds and organizes your photos and all other personal files for backup EASY Restore - Your complete personal file backup and photos can be easily transferred to a new computer Easy to use - No software to install. No configuring. No setup. No manuals to read. Just plug it in! Supports Windows 8, 7, Vista and XP (SP3) and Mac OSX 10.5 (with Intel Processor)