Because it interacts with low-level system firmware (the BIOS/UEFI) to clear security flags, it is an incredibly powerful tool. In the wrong hands, it is also a significant security vulnerability, which is why it is not openly distributed by manufacturers today.
Use a tool like Rufus to create a bootable FreeDOS or MS-DOS USB flash drive. clnpwd.exe 64 bit download
If you're unable to find a direct download for clnpwd.exe 64-bit, you can try: Because it interacts with low-level system firmware (the