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  1. How to Find Your Windows 10 Product Key Using the Command Prompt

    Aug 20, 2023 · If you're looking for your Windows 10 product key, you can find it by entering a quick command in the Command Prompt. Here's how — plus a neat little trick for finding the product key …

  2. How to Find Your Windows 11 Product Key - How-To Geek

    May 4, 2024 · If your PC has an OEM license—in other words, if you purchased a computer that came with Windows preinstalled—you can find the license key using Command Prompt, or PowerShell.

  3. How to Use Slmgr to Change, Remove, or Extend Your Windows License

    Jun 6, 2017 · Run the following command to replace the product key, replacing #####-#####-#####-#####-##### with the product key. The command will check the product key you enter to ensure it's …

  4. How to Find Your Lost Windows or Office Product Keys

    Oct 2, 2023 · The best way to recover a lost product key for Windows or an Office program is to use a third-party program, like Nirsoft's Produkey or ShowKeyPlus. You may also have a sticker attached …

  5. How to Find Your Windows PC's Serial Number

    Oct 24, 2025 · Open Command Prompt or PowerShell and enter "wmic bios get serialnumber" to find your PC's serial number. Windows and System Information won't display your PC's serial number.

  6. How To Uninstall Your Windows Product Key Before You Sell Your PC

    Nov 7, 2012 · Do you have an old PC you want to sell, but also want to use your Windows license on your new PC ? There is a hidden command in Windows that allows you to do just that. Read on to …

  7. You Can Install and Use Windows 11 Without a Product Key

    Jul 16, 2023 · Long gone are the days of requiring a valid product key to install Windows, but what happens if you never activate Microsoft's latest desktop OS with a license?

  8. How to Check If Windows 11 Is Activated

    Aug 9, 2021 · You'll see whether your copy was activated using your organization's service, a digital license, or another way. If you're curious about how the Windows activation process works, we have …

  9. How to Get Windows 11 for Free

    Feb 21, 2024 · Windows 10 users can upgrade for free via Windows Update if their computer meets the requirements. If upgrading, use an existing Windows 10 product key to activate Windows 11; skip …

  10. How to Transfer a Windows 10 License to Another Computer

    Feb 25, 2019 · If you've ever built a computer and purchased a Windows license, you probably don't want to buy another license for your next one. With the slmgr command, it's possible to deactivate …