Sure, you should click no to almost everything Microsofts asks anywhere, but that hardly helps. Use privacy tools like O&O Shut Up to actually disable spy stuff.
God no. Vivaldi is nice if you must have Chromium (this is made by the guys who used to build Opera, before it was sold to shady new owners), otherwise Firefox.
See point 1.
Just uninstall the damn thing, or some tools of point 1 might do this for you.
If you must, sure.
Using Enterprise version of Windows is the best option, it already has most of the malicious stuff left out.
All your points are a bit questionable:
Using Enterprise version of Windows is the best option, it already has most of the malicious stuff left out.