Facebook: Promote an Existing Post

How to Promote an Existing Post in Facebook Business Manager:

1. Go to business.facebook.com
2. Navigate to Ads Manager
3. Go to Campaigns → Ad Sets → Ads
4. In the Ad Settings, select “Use Existing Post”
5. A window will appear where you can choose the post you want to promote

Can’t find your post? Simply search for the Post ID.Read: How do I find my Post ID?