Embedded in your PC's UEFI firmware: Many newer PCs that come with Windows 8 or 10 use a new method.This system was common for Windows 7 PCs. The one in the registry and key-viewer application is a red herring. The actual key is on a certificate of authenticity (COA) sticker on your PC or its power supply.

If your PC uses this, the product key on your PC-the one stored in the registry, and the one key-viewer applications display-will be different from the actual key your PC needs. Printed on a sticker: Some PCs use a technology called 'System Locked Pre-installation,' or SLP.Crucially, you'll need to grab it from your operating system before you begin reinstalling Windows or it could be deleted if you format your hard drive. You can extract this product key, and-often-enter it when reinstalling Windows on your PC. Stored in software on your PC: When you (or your PC manufacturer) installs Windows, Windows stores its product key in the registry.The key you need will be in one of three places: If you still need help with your product key, visit our Microsoft support page for help.Related: Where to Download Windows 10, 8.1, and 7 ISOs Legally

Sometimes these product keys are printed on counterfeit labels or cards with a download link to Microsoft software, and sometimes they’re distributed with software media that is unauthorized for resale, such as promotional media, original equipment manufacturer reinstallation media, or other Microsoft program-specific media. Unfortunately, there are many dishonest sellers who offer stolen, abused, or otherwise unauthorized Microsoft product keys for sale.

If you bought a product key separate from the software, it’s very possible the product key was stolen or otherwise fraudulently obtained, and subsequently blocked for use. If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund. Microsoft Workplace Discount Program product keys Having problems with your product key? I can't find my product keyįor help with finding your product key, select your version of Office below: Step 3: Follow the prompts to finish the redemption and setup process. Step 2: Enter Office product key without hyphens, and then select Next.

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