If you bought a physical PC with Windows 7 pre-installed, look for a "Certificate of Authenticity" (COA) sticker on the bottom of your laptop or the side of your desktop tower.
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A product key is a 25-character code used to activate Windows. It verifies that your copy of Windows is genuine and hasn't been used on more devices than the Microsoft Software License Terms allow. If you bought a physical PC with Windows
If you purchased a digital copy from Microsoft or an authorized retailer, the key will be in your digital receipt. It verifies that your copy of Windows is
If your Windows is currently activated, you can often retrieve the key using a simple script or the Command Prompt (running as Administrator). Why You Need the 64-bit Version
If you are looking to reinstall or activate your operating system, finding your Windows 7 Ultimate 64-bit product key is the most critical step. Whether you’ve lost your original packaging or are moving to a new hard drive, this guide covers the safest ways to retrieve and use your key. What is a Windows 7 Product Key?
Depending on how you bought Windows, there are three main places to look: