How to Link Instagram to A Facebook Page
Making use of Facebook's Web page 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 Business Manager, click Business Setups.
2. Click Instagram in the sidebar.
3. Click Add.
4. Go into business' Instagram qualifications. Click Next.
Optional: Attach any type of appropriate Advertisement accounts. If you do not wish to include one, click Avoid.
5. Click Done.