Link Instagram to Facebook Business Page
Using Facebook's Web 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 credentials. Click Log In.
Using Facebook's Manager
1. On Facebook's Business Manager, click Business Setups.
2. Click Instagram in the sidebar.
3. Click Include.
4. Enter the business' Instagram qualifications. Click Next.
Optional: Connect any kind of pertinent Advertisement accounts. If you do not want to include one, click Miss.
5. Click Done.