- [d]isplay the current Windows [l]icense [i]nformation:
`slmgr /dli`
- [d]isplay the ins[t]allation [i]D for the current device. Useful for offline license activation:
`slmgr /dti`
- Display the current license's e[xp]i[r]ation date and time:
`slmgr /xpr`
- [i]nstall a new Windows license [p]roduct [k]ey. Requires Administrator privileges and will override the existing license:
`slmgr /ipk {{product_key}}`
- [a]c[t]ivate the Windows product license [o]nline. Requires Administrator privileges to do so:
`slmgr /ato`
- [a]c[t]ivate the Windows [p]roduct license offline. Requires Administrator privileges and an Confirmation ID provided by Microsoft Product Activation Center:
`slmgr /atp {{confirmation_id}}`
- [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 /cpky`
- [u]ninstall the current license (by its [p]roduct [k]ey):