Download the APP! and log in to your Business account
When creating a post, you can select from three different options to fit your specific need
Create your Advert post!
MAKE SURE the photo you are posting is 1:1 ratio as seen above. To do this, select the photo in your camera roll and select edit photo. This will allow the size to be changed to 1:1 ratio
After creating your post you then need to list your post, select the option tab and select
Your Post Is Now LIVE!!