Check the sticker or card on your PC, laptop, or Windows box
Open Command Prompt as administrator
Type: `wmic path softwarelicensingservice get OA3xOriginalProductKey`
Press Enter
Open PowerShell as administrator
Type: `(Get-WmiObject -query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey`
Press Enter
Check your Microsoft account if Windows is linked to a digital license
Go to Settings
Select Update & Security
Select Activation
Review activation status
Check the BIOS/UEFI for an embedded key on newer PCs
Use a trusted third-party key finder tool if needed
Look in your email receipt if you bought Windows online
Contact the PC manufacturer or Microsoft Support if you still cannot find it