- Start with “Privacy Checkup” — it walks you through step by step.
- Set future posts to “Friends”, not “Public”, and limit past posts too.
- Hide your friends list, phone number and email.
- Turn on “Tag review” so you don’t appear in photos without your consent.
- Make your account “Private”.
- Use “Restrict” or “Block” on accounts that bother you.
- Choose who can message you, comment, tag or mention you.
- “Hidden words” filters abusive comments and messages.
- Privacy: choose who sees your photo, “last seen” and status.
- “Groups”: only your contacts can add you.
- “Silence unknown callers”.
TikTok
- Private account, and choose who can comment, Duet/Stitch and message you.
- Turn off “Suggest your account to others”.
Setting names change between versions. If you can’t find one, use the search box in settings.