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Look on the bottom of the device or inside the battery compartment.
You can find the encrypted key in the Windows Registry at: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\DigitalProductId .
Look on the side, top, or back of the computer case. Look on the bottom of the device or
The ID you provided——is a Product ID , not a Product Key . While they look similar, they serve very different purposes: a Product ID identifies your version of Windows, while a Product Key is the 25-character code required to activate it. Understanding Your Product ID
For OEM versions, the product key is printed on a Certificate of Authenticity (COA) sticker. The ID you provided——is a Product ID , not a Product Key
If your Windows is still bootable, you can try to retrieve the key by opening the Command Prompt and typing: wmic path softwarelicensingservice get OA3xOriginalProductKey .
If the sticker is missing or unreadable, tools like the Magical Jelly Bean Keyfinder or Belarc Advisor may be able to extract the key from your system files. How to Use the Key to Activate If your Windows is still bootable, you can
The "OEM" in your ID indicates that this copy of Windows 7 Ultimate was pre-installed by a computer manufacturer (such as Dell, HP, or Lenovo). Because this is an OEM license, the actual product key is unique to your specific hardware and is usually not stored in a way that common "key finder" tools can easily retrieve for re-use. How to Find Your Actual Product Key