Office 2021 Includes OneNote 2021 and can only be installed on Windows 10 and later systems
Office 2021 is included OneNote 2021 in the installation.
However, Office 2021 can only be installed on Windows 10 or Windows 11.
If you try to install on Windows 8 or Windows 7, you'll be prompted:
You need Windows 10 to continue
This Office product requires Windows 10. Please upgrade Windows and try installing Office again.
However, Office 2021 can only be installed on Windows 10 or Windows 11.
If you try to install on Windows 8 or Windows 7, you'll be prompted:
You need Windows 10 to continue
This Office product requires Windows 10. Please upgrade Windows and try installing Office again.