Nov 11, · I lost my recovery disk and I don't know what to do. I have Windows 7 Pro OA (X) and the license is on the back of my laptop. I installed a regular Windows 7 Professional and I activated with the license key, but the big problem is when I tried to install the plugins for the fingerprint reader and the smart card reader. It didn't worked. Dec 26, · TestDisk is the most popular free partition recovery software tool. It runs under Windows 10//8/7/Vista/XP, Windows Server ///, DOS (either real or in a Windows 9x DOS-box), Linux, FreeBSD, NetBSD, OpenBSD, SunOS, and macOS. The tool was designed to help recover lost partitions and/or make non-booting disks bootable again.