Slmgr.exe -rearm Reset the evaluation period/licensing status and activation state of the machine. Slmgr.exe -rilc Re-install system license files. Slmgr.exe -ilc License_file Install license. Slmgr.exe -ipk Key Enter a new product key supplied as xxxxx-xxxxx-xxxxx-xxxxx-xxxxx. Slmgr.exe -dti Display Installation ID for offline activation.
Slmgr.exe -dlv Verbose, similar to -dli but with more information. Slmgr.exe -dli Display the current license information with activation status and partial product key. Slmgr.exe -cpky Clear product key from the registry (prevents disclosure attacks). Slmgr.exe -ckms Clear the name of KMS server used to default and port to default. Slmgr.exe -atp Confirmation_ID Activate Windows with user-provided Confirmation ID. Slmgr.exe -ato Activate Windows license and product key against Microsoft’s server.
