The DOS version of TestDisk & PhotoRec should work under - MSDOS 6.x - FreeDOS - Windows 95 - Windows 98 If you are using NT 4, Windows 2000..., run the Windows version of TestDisk. You can download it from https://www.cgsecurity.org/wiki/TestDisk_Download TestDisk & PhotoRec documentation can be found online: - https://www.cgsecurity.org/wiki/TestDisk - https://www.cgsecurity.org/wiki/PhotoRec