Instagram Link with Facebook
Making use of Facebook's Page interface
1. On Facebook, navigate to business' Facebook web page.
2. Click Settings.
3. Click Instagram in the sidebar.
4. Click Log in.
5. Enter your Instagram credentials. Click Visit.
Using Facebook's Business Manager
1. On Facebook's Manager, click Organisation Settings.
2. Click Instagram in the sidebar.
3. Click Include.
4. Get in the business' Instagram credentials. Click Next.
Optional: Connect any appropriate Ad accounts. If you do not wish to add one, click Miss.
5. Click Done.