MyDefrag 4.3.1 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free software is a product of J.C. Kessels. The most popular versions among the software users are 4.3, 4.2 and 4.1.
This free PC software was developed to work on Windows XP, Windows XP Professional, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and is compatible with 32 or 64-bit systems.
Commonly, this program's installer has the following filenames: MyDefrag.exe, MyDefrag.exe.exe, MyDefragGUI.exe, MyDefragGUI2.1.2.exe and MyDefragPowerGUI.exe etc. We recommend checking the downloaded files with any free antivirus. The program belongs to System Utilities.
From the developer:
MyDefrag is a disk defragmenter and optimizer (a maintenance utility to make your harddisk faster) for Windows 2000, 2003, XP, Vista, 2008, Win7, and for X64. It is freeware, no time limit, fully functional, no advertisements.
You may want to check out more software, such as JkDefrag, which might be related to MyDefrag.