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28,659 questions
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Hello there，
It may take around 10 minutes and one reboot to upgrade from win10 HOME to PRO.
If you are upgrading only a few devices, you may want to enter a product key for the upgraded edition manually.
To manually enter a product key：
- From either the Start menu or the Start screen, type 'Activation' and click on the Activation shortcut.
- Click Change product key.
- Enter your product key.
- Follow the on-screen instructions.
You can also find reference in beneath links：
Microsoft Learn
https://learn.microsoft.com/en-us/windows/deployment/upgrade/windows-10-edition-upgrades
YouTube
https://www.youtube.com/watch?v=BJnqxuGTmUk
Please note: The mentioned product is owned and operated by a third party. Microsoft has no control regarding to the product's performance and reliability.
Best Regards,
Samson Peng
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