The only once that are harder to get from the official Microsoft website are Enterprise , IoT, LTSC versions. Which IMO are better then the standard home,pro,workstation etc. Also server ISOs are a bit harder to get from their.

Yes and the better option if you do want to use a Microsoft account. Just login to the apps like onedrive on the local account.

https://massgrave.dev/

All files are official Microsoft ISO files. This has everything you need including explanation and instructions how you can verify its legitimize. and how to activate windows

To bypass the forced Microsoft account you can create a unattend file and pre configure the ISO to make a local account.

He’s evolving guys! Just backwards… And even choosing a OS that is reaching EOL.