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  1. microsoft.com
    https://support.microsoft.com/en-us/windows/upgrade-windows-hom…

    Upgrade Windows Home to Windows Pro - Microsoft Support

  2. microsoft.com
    https://support.microsoft.com/en-us/windows/getting-ready-for-the-wi…

    Getting ready for the Windows 11 upgrade - Microsoft Support

  3. microsoft.com
    https://support.microsoft.com/en-us/windows/ways-to-install-window…

    Ways to install Windows 11 - Microsoft Support

  4. microsoft.com
    https://support.microsoft.com/en-us/windows/can-i-upgrade-to-windo…

    Can I upgrade to Windows 11? - Microsoft Support

  5. microsoft.com
    https://support.microsoft.com/de-de/windows/upgrade-von-windows-…

    Upgrade von Windows Home auf Windows Pro - Microsoft-Support

  6. microsoft.com
    https://support.microsoft.com/en-us/windows/upgrade-to-windows-1…

    Upgrade to Windows 11: FAQ - Microsoft Support

  7. microsoft.com
    https://support.microsoft.com/en-us/windows/windows-11-system-re…

    Windows 11 System Requirements - Microsoft Support

  8. microsoft.com
    https://support.microsoft.com/en-us/windows/activate-windows-c390…

    Activate Windows - Microsoft Support

  9. microsoft.com
    https://support.microsoft.com/en-us/windows/how-to-check-if-your-de…

    How to check if your device meets Windows 11 system …

  10. microsoft.com
    https://support.microsoft.com/ja-jp/windows/windows-home-から-win…

    Windows Home から Windows Pro へのアップグレード