Earlier quoted context omitted.
In a few minutes you can make Windows 11 look pretty close to Windows 7 (or 10) by disabling personalization, content , widgets, new tab content. In edge disable all of the new tools and bing integration. You’re right about the hassle of doing it manually, and I wish there were a global “Windows 2k mode” that ran the OS as lean as possible.
Pay for Enterprise and a lot of it is pre disabled. Others can be configured via group policy.
Edit: and a quick scan of the Microsoft website says that you need to "Contact Sales" still.