Element 1:
Create a Page Post with the purpose of promoting your website, sales page or landing page that is less than 90 characters.
Element 2:
Include a question or engaging statement.
Element 3:
Add a high-impact image of 404×404 that is relevant to your offer, brand and the content of the post.
Element 4:
Include a link to your website, sales page or landing page that can be either on or off Facebook.
Next Steps
Head to facebook.com/ads and set up your Ads Manager where you can create your Page Post Ad.
Press Create an Ad
Enter Your Facebook Page
Select A Post About This Page and then select the actual post from the drop-down menu.
Add your targeting and bidding information and submit the ad for approval.