Connect Instagram and Facebook
Making use of 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 Business Manager
1. On Facebook's Manager, click Business Settings.
2. Click Instagram in the sidebar.
3. Click Add.
4. Enter the business' Instagram credentials. Click Next.
Optional: Connect any relevant Ad accounts. If you do not wish to add one, click Skip.
5. Click Done.