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..
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Find a list of generic keys to install and use Windows 10 or 11 for short-term purposes. These keys are not valid for activation and will expire, but they can help you test Windows 10 or 11 in a virtual machine.
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If you already have a legal Windows 10 installation, you can easily upgrade to Windows 11 for free. Here's how to do it.