As both Facebook and Instagram (and even WhatsApp) are owned by the same company (Meta), the platforms have been designed to allow integrated access across all social media. This comes in handy when you want to centralize your marketing campaigns' creation, management, and execution.
When setting up your Instagram Ads account, it is best not to do it on mobile because the interface would be much easier to work with on a desktop. To start off, go to Instagram for business and click Create an Ad. This will open a login window for Facebook. After logging in with your Facebook credentials, you will then be given a walk-through of the various options you have for creating ads.
On the other hand, if you want to connect Instagram to the Facebook Business Manager tool, you can follow these steps:
1. Log on to your account on Business Manager and open the page that you'd like to connect to.
2. Click the Settings button on the upper right-hand side of the window and scroll down to Instagram Ads on the left pane.
3. Click the blue Add an Account button and choose between either adding an existing account or creating a new account.
4. For existing accounts, simply enter your login credentials for your Instagram account that you would like to set up, then click confirm. If you're going to create a new one, you should receive instructions through your email account. Follow those steps and proceed to confirm your account.
5. Once confirmed, you should be able to have access to all the functions and types of Instagram Ads, where you would see your connected accounts under the Ad panel.