For anyone reading this, you can easily upgrade your windows installation locally for free with “windows activation scripts” (hosted on GitHub).

It even has a oneliner you paste into a command prompt which guides you through.

And yeah it sure sounds shady, but it works great and Microsoft will only get money from selling my data as they would do anyways even if I paid.

Also exists on chromium for the chrome/opera/… lovers here

Basically enable those very features that were disabled in the free version