For most users selling a Windows 7 PC: use (HDD) or manufacturer’s Secure Erase (SSD). For keeping the PC but cleaning it up: perform a clean install and delete partitions during setup. For casual file deletion: accept the risk, or use Eraser to overwrite sensitive files individually.
This is the gold standard. It overwrites every sector of the drive, making data unrecoverable, even with forensic tools. how to delete hard drive windows 7
: If this option is missing, your PC may not have a recovery partition, and you will need installation media. 3. Third-Party Tools (High Security) For most users selling a Windows 7 PC: