The term UltraDefrag is a shorthand for the Ultra Defragmenter and holds no connection with potential owners of registered trademarks or other rights. All trademarks, brands, and names are the property of their respective owners.
STABLE RELEASE 6.1.1
For 32-bit Windows
NT 4.0, 2000, XP, Vista, 7, 8 - Server NT 4.0, 2000, 2003, 2008
For 64-bit Windows
XP, Vista, 7, 8 - Server 2003, 2008, 2008 R2, 2012
For 64-bit Windows,
All releases can be downloaded at SourceForge.net.