The most direct method is to create an account and send a friend request to the uploader. If they accept, their "Friends-Only" videos will become visible to you.

If a video is marked as private, the only legitimate methods to access it are:

: Some creators move private content to paid platforms (like Fanvue or OnlyFans) where access is legally granted upon payment. Platform Policy and Safety

Instead of searching for a "thisvid private video viewer," search for