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windows 11 pro key free But with the tips we've outlined here, you can do your best to score a free upgrade—or at least pay as little as possible to get from an earlier version of Windows to Windows 11..

microsoft-windows-10 Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

phím-tắt-windows If you already have a legal Windows 10 installation, you can easily upgrade to Windows 11 for free. Here's how to do it.