- [a]c[t]ivate the Windows [p]roduct license offline. Requires Administrator privileges and a Confirmation ID provided by Microsoft Product Activation Center:
- [c]lear the current license's [p]roduct [k]e[y] from the Windows Registry. This will not deactivate or uninstall the current license, but prevents the key from being stolen by malicious programs in the future:
`slmgr.vbs /cpky`
- [u]ninstall the current license (by its [p]roduct [k]ey):