Step 1: Login to your Facebook Business Account by going to https://business.facebook.com

Step 2: From the left sidebar, click the dropdown at the top and then click the gear next to your Facebook Business Account

Step 3: From the left side drawer choose Pages

Step 4: Click Add Pages

Step 5: From here you can either Create a new Facebook Page, Claim an existing Facebook Page, or Request to share a Facebook Page.

Step 6: Follow the Facebook instructions as necessary from here.