Check the sticker or label on your PC or inside the battery compartment
Look for the key in the original Windows packaging or confirmation email
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
Use a third-party key finder tool
Check your Microsoft account for digital license details
Contact the PC manufacturer or retailer if the key is not available