Windows家庭版升级至Windows专业版__免费
Upgrade Windows Home to Windows Pro for FREE
Go to Settings > Update & Security > Activation and click Change Product Key. Next, enter the default Windows 10 Pro product key:
VK7JG-NPHTM-C97JM-9MPGT-3V66T
Follow the prompts to upgrade from Home to Pro. Because your hardware already has a digital license for the Pro edition, it will activate automatically.
Windows10和Windows11都适用
https://www.zdnet.com/article/going-pro-how-to-upgrade-windows-10-home-without-hassles/
Windows系统激活可参考我的另一篇博客 https://www.cnblogs.com/ashet/p/17230533.html