This is an easy way to check your
Windows 7 license information using the command prompt, especially handy
if you're using an evaluation copy of Windows 7NOTE: Using winver alone doesn't necessarily display the correct expiration date, nor the license status 1. Open a command prompt by pressing the
Winkey+R, typing
cmd into the address bar and hitting
enter.2. In the command prompt type;
slmgr and hit
enter.A Windows Script Host will pop up informing you of an invalid combination of command parameters.
In
the script host you'll be shown Global Options, Advanced options,
Volume Licensing: Key Management Service (KMS) Client options, Volume
Licensing: Token-based Activation Options & Volume Licensing: (KMS)
Options.
For most, the global options will do. The most frequently used command will be to check the licence status and expiration date.
3. To display the
current license information type into the command prompt;
slmgr /dli and hit
enter.4. To display
detailed information on the current license type into the command prompt;
slmgr /dlv and hit
enter.5. To display the
expiration date for the current license type into the command prompt;
slmgr /xpr and hit
enter.If an
evaluation copy of Windows is being used, the
rearm command may be used up to three times to extend the grace period. Grace period, and rearm counts are displayed by using
slmgr /dlv6. To rearm Windows and extend the grace period, in the command prompt, type;
slmgr /rearm and hit
enter.
7. Restart your system to apply the changes.