How to Link Instagram to A Facebook Page
Utilizing Facebook's Page user interface
1. On Facebook, navigate to business' Facebook 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 Business Manager, click Company Settings.
2. Click Instagram in the sidebar.
3. Click Add.
4. Get in business' Instagram qualifications. Click Next.
Optional: Connect any kind of appropriate Advertisement accounts. If you do not desire to add one, click Avoid.
5. Click Done.