Quick note: Google's Advanced Protection program disallows sideloading apps, so you can't install F-droid.
Edit: Note that the Advanced Protection program is opt-in for users that require the highest degree of security Google can offer. Regular users won't be impacted by this.
Edit: Note that the Advanced Protection program is opt-in for users that require the highest degree of security Google can offer. Regular users won't be impacted by this.
Edit: proof https://imgur.com/a/yktPNIc
Edit 2: see @haunter's comment for a link to the change announcement