You Don't Need a Product Key to Install and Use Windows 10 - How-To Geek
https://www.howtogeek.com/244678/you-dont-need-a-product-key-to-install-and-use-windows-10/
webAug 18, 2023 · The Cosmetic Limitations. After you've installed Windows 10 without a key, it won't actually be activated. However, an unactivated version of Windows 10 doesn't have many restrictions. With Windows XP, Microsoft actually used Windows Genuine Advantage (WGA) to disable access to your computer.
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