when u get it, go to ur twt following page and then log in with ur bsky ( u can use a app password i think if u dont wanna use ur pass, i forgot how to open it up but u should be able to find it) and then after that itll start detecting people and u can just press follow

found it; to get an app password to log in to ur acc go to ur bsky settings, advanced, and click on app pass. make a new one for that