How Do I Link My Instagram to My Facebook
Using Facebook's Page user interface
1. On Facebook, navigate to the business' Facebook page.
2. Click Settings.
3. Click Instagram in the sidebar.
4. Click Visit.
5. Enter your Instagram credentials. Click Visit.
Making use of Facebook's Manager
1. On Facebook's Business Manager, click Organisation Settings.
2. Click Instagram in the sidebar.
3. Click Add.
4. Get in business' Instagram credentials. Click Next.
Optional: Link any kind of appropriate Ad accounts. If you do not wish to add one, click Avoid.
5. Click Done.