Connect Instagram to Facebook Business Page
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 Visit.
5. Enter your Instagram qualifications. Click Visit.
Using Facebook's Manager
1. On Facebook's Manager, click Organisation Settings.
2. Click Instagram in the sidebar.
3. Click Add.
4. Go into business' Instagram qualifications. Click Next.
Optional: Link any appropriate Ad accounts. If you do not want to add one, click Miss.
5. Click Done.