api-ms-win-core-path-l1-1-0.dll is missing from your computer

This is resolved in the bug-report from 2020
Issue 41412 - After installation on Windows7, 64bit Python 3.9.0b5 reports "api-ms-win-core-path-l1-1-0.dll" missing and doesn't start:

Microsoft ended extended support for Windows 7 back in January of this year, so Python 3.9 does not support Windows 7, in accordance with PEP 11. I'd expect the installer to fail on unsupported versions of Windows.

The "solution" to that bug-report was to make the Python 3.9 installation fail on Windows 7 with an error message.

The only possible solution I can see might be to install an old version of Python that supported Windows 7.

An even better solution would be to upgrade to Windows 10, if this is a possibility.