slmgr.vbs

Install, activate, and manage Windows licenses. This command may override, deactivate, and/or remove your current Windows license. Please proceed with caution. More information: https://docs.microsoft.com/windows-server/get-started/activation-slmgr-vbs-options.

• [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):
  slmgr /upk