How To Find Product Key Windows 10

Losing your Windows 10 product key can be frustrating, especially when you need to reinstall your operating system or activate a new computer. Fortunately, there are several ways to retrieve your product key. Here’s how:

Method 1: Check Your PC

If you purchased a new computer with Windows 10 pre-installed, the product key is embedded in the BIOS or UEFI firmware of your device. You can retrieve it by using a third-party software or by running a command prompt.

Step 1:

Press Windows key + X and select “Command Prompt (Admin)”.

Step 2:

Type “wmic path softwarelicensingservice get OA3xOriginalProductKey” and press Enter.

Step 3:

Your product key will appear on the screen.

Method 2: Check Your Email

If you purchased Windows 10 online or received it as a gift, your product key may be in your email. Search your email inbox for the keywords “Windows 10 product key” or “digital entitlement”.

Method 3: Check Your Retail Box

If you purchased a retail copy of Windows 10, the product key is usually located on a label inside the box. Look for a sticker with a 25-character code.

Method 4: Use a Product Key Retrieval Tool

If you can’t find your product key using the methods above, you can use a third-party software to retrieve it. Some popular tools include ProduKey, Belarc Advisor, and Magical Jelly Bean Keyfinder.

Method 5: Contact Microsoft Support

If you still can’t find your product key, you can contact Microsoft support for assistance. They may be able to retrieve your key if you can provide proof of purchase and other relevant information.


  • Q: What is a product key?
  • A: A product key is a unique 25-character code that is used to activate Windows 10.
  • Q: Can I use the same product key on multiple computers?
  • A: No, each product key can only be used on one computer.
  • Q: What should I do if my product key is not working?
  • A: If your product key is not working, contact Microsoft support for assistance.
  • Q: Can I change my product key after activation?
  • A: Yes, you can change your product key by going to “Settings”> “Update & Security”> “Activation”> “Change product key”.
  • Q: Do I need a product key to reinstall Windows 10?
  • A: No, if your computer came with Windows 10 pre-installed, you can reinstall it without a product key.

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