Defraggler will run on any PC running Microsoft Windows 2000 or
later. If you're running one of the following operating systems,
you're set to run Defraggler:
- Windows 7 (all editions, including
64-bit)
- Windows Vista (all editions, including 64-bit)
- Windows XP (Home, Professional, Media Center, Tablet Edition,
64-bit)
- Windows 2003 and 2008 Server (all editions).
- Windows 2000
Defraggler is a small, efficient program, so there are no
minimum memory or hard drive requirements.
Note: Defraggler can defrag NTFS and FAT hard
drives, as well as exFAT format USB drives. We do not recommend
that you defrag USB drives that have not been formatted as exFAT.
Generally, they will not benefit by being defragmented and
theoretically defragging can shorten their lifespan.
Since the data on CDs and DVDs is read-only, you cannot defrag
these drives either.