Let’s start this mini-series with a one-liner that extracts your Windows license key:
PS> $key = (Get-WmiObject -Class SoftwareLicensingService).OA3xOriginalProductKey PS> $key KJU8F-XXUZH-UU776-IUZGT-HHGR5
Learning points to take away:
- WMI gets you extensive information about Windows licenses and license status.
- One of the WMI classes used by Windows licensing is called “SoftwareLicensingService”. It can provide you with your Windows license number
- The same class also contains a lot of additional information. Have a look:
PS> Get-WmiObject -Class SoftwareLicensingService ... KeyManagementServiceUnlicensedRequests : 4294967295 OA2xBiosMarkerMinorVersion : 1 OA2xBiosMarkerStatus : 1 OA3xOriginalProductKey : XXXXXXXXX OA3xOriginalProductKeyDescription : [4.0] Professional OEM:DM OA3xOriginalProductKeyPkPn : [TH]X19-99481 PolicyCacheRefreshRequired : 0 RemainingWindowsReArmCount : 1001 RequiredClientCount : 4294967295 TokenActivationAdditionalInfo : TokenActivationCertificateThumbprint : TokenActivationGrantNumber : 4294967295 TokenActivationILID : TokenActivationILVID : 4294967295 Version : 10.0.17134.471 VLActivationInterval : 4294967295 VLRenewalInterval : 4294967295 PSComputerName : DESKTOP-7AAMJLF
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