PerfectDisk Version 7.0 delivers speed, thoroughness, and ease-of-use for all Windows home, small business, and large enterprise users. Certified by Microsoft for Windows 2000 and Windows Server 2003, PerfectDisk is designed for today's largest disk drives. If you are serious about disk defragmentation, optimization, and free space consolidation, you'll find PerfectDisk meets your high demands and requirements.