1) After logging in to your Business Manager account, begin by clicking on the tab at the top left corner of the screen and click on "Business Settings".
Check the left hand side of the screen and click on "Instagram Accounts", then click "Add New Instagram Account" at the center of the screen, as shown below:
Follow the directions to claim your Instagram account.
2) You can now begin adding your product feed to your Facebook catalog. To create your catalog, follow the link: Create a Product Catalog
