Have a specific slmgr error code or need help with a command? Consult Microsoft’s official documentation or the event logs generated by /rilog .
: Clears the product key from the registry (prevents key extraction by malware). Does not affect activation status.
True, but some flags changed. /dli works everywhere; /rearm behavior differs slightly. slmgr commands
These commands are used to check status, install keys, and activate Windows. Check Activation Status ( /xpr )
This can typically be done 6 times, potentially extending trials up to 3 years, depending on the OS version. Clear Product Key from Registry ( /cpky ) Have a specific slmgr error code or need help with a command
: Installs or replaces a product key. It validates format and edition compatibility but does not activate it.
Run slmgr /skms kms.yourcompany.com:1688 then slmgr /ato . If it fails, check slmgr /dli to see if the “KMS machine name” field is populated. Does not affect activation status
Installs a new 25-digit product key. This is the fastest way to change your license key. slmgr /ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx Use code with caution. Activate Windows Online ( /ato )