How Can I Connect Instagram to Facebook
Making use of Facebook's Page user interface
1. On Facebook, browse to business' Facebook page.
2. Click Settings.
3. Click Instagram in the sidebar.
4. Click Log in.
5. Enter your Instagram credentials. Click Log In.
Making use of Facebook's Business Manager
1. On Facebook's Manager, click Service Settings.
2. Click Instagram in the sidebar.
3. Click Include.
4. Go into the business' Instagram credentials. Click Next.
Optional: Connect any relevant Ad accounts. If you do not wish to add one, click Miss.
5. Click Done.