I can recommend following tools:
https://github.com/xM4ddy/OFGB (Non tech savvy friendly) https://www.oo-software.com/en/shutup10 (Beginner friendly) https://privacy.sexy/ (Advanced)
Please make sure to verify which changes you do and what possible side effects they could have.


Sadly not that I’m aware; we have to wait until the time comes.