After the install. Create admin and user accounts not tied to ms. Use the user account normally, and when you need admin you enter the second account details.
Use Sophia script to clean up all the advert apps bundled with win11.
I wish I could find a script to remove the advert features from edge for when I have to office. Mozilla Firefox is your day to day browser.
Use chocolatey.org to install ur apps. When you do updates, one command can do it all.
Check start-up scripts, and ensure there is nothing that doesn't need to be there. Teams no, zoom also no.
Pro tip, tell them you want to end your subscription immediately. Don't say anything, awkward silence. When they ask an another question to goud you into staying repeat the first statement. If they ask rando questions, silence.
They give up in under a minute. Be polite but obstinate.