First, modify your Instagram account:
- Open your Instagram mobile app and go to your profile
- Tap menu icon (☰) in the top right
- Click Settings (⚙)
- Scroll down and select Switch to Business Profile
- Connect your Instagram account with your Facebook page
- Select your business category and fill in the profile information
Next, link your Instagram business account from your Facebook business page:
- Open your Instagram mobile app and go to your profile
- Tap menu icon (☰) in the top right
- Click Settings (⚙)
- Scroll down and select Linked Accounts, and select Facebook
- If you haven't already, enter your Facebook login information
- Click Facebook again and choose a page that you manage.