Lineage does not have any special privacy features besides not having gapps. You can use Microg for a balance between privacy and convenience.
Use aurora store and don’t login with any account. You will need the lineage for microg version or root to get it working
I had an old windows AME install on a separate drive I forgot about. Updated grub in peppermint (Debian) voila all of the sudden my windows was added , no fuss at all. Simple nowadays