O&O Defrag is the newest generation of the very successful O&O Defrag. Simply, quickly, and securely, you can get the maximum performance out of your expensive hardware investments - and all this with only a tiny investment of time and energy! The new O&O Defrag Professional Edition for Windows-based workstations unlocks the hidden Performance of your computer. This software will optimize your hard disk in Windows 7, Vista, XP Home, Windows XP Pro and 2000 Pro, securely repacking fragmented files together for more efficiency. In addition, O&O Defrag Professional Edition boasts outstanding usability and a myriad of important functions not found in any other defragmentation software platforms on the market today.