The Windows version of TestDisk & PhotoRec should work under - Windows NT 4 - Windows 2000 - Windows XP - Windows 2003 - Windows Vista - Windows Server 2008 - Windows 7 On Windows 64-bit, WoW64 (Windows 32-bit On Windows 64-bit) is required to run these 32-bit executables. For Windows 64-bit without WoW64, use the Windows 64-bit version of TestDisk & PhotoRec. If you are using an older version of Windows, run the DOS version of TestDisk. You can download it from http://www.cgsecurity.org/wiki/TestDisk_Download TestDisk doesn't need to be installed, you only need to - extract the files - run testdisk_win.exe or photorec_win.exe TestDisk & PhotoRec documentation can be found online: - http://www.cgsecurity.org/wiki/TestDisk - http://www.cgsecurity.org/wiki/PhotoRec Documentation can be downloaded from - http://www.cgsecurity.org/wiki/TestDisk_Download