This article covers how to add Instagram Professional Account using your browser. If you are using the mobile app to manage your Instagram account, you can see this article for instructions.
To set up an Instagram business account, you need to create an Instagram account or use an existing Instagram account.
You can only have 5 Instagram accounts at a time, without having to log out and log back in.
1. Click your Profile button (top right) and choose Setting and privacy
2. Click on Settings
3. Click See More in the Accounts Center
4. Click Add accounts
5. From here you can choose to add either Facebook or Instagram account