Step 1: Click on Got it
Step 2: Click Add to Chrome and then click on Add Extension
Step 3: Now, if you notice, you’ll see a Socicake icon at the Top bar of your Google Chrome browser
Step 4: Login to your facebook acc, select any of your pages
Step 5: Click Post
Step 6: Select any post you want to invite those that liked it, Click on the Likes
Step 7: Click invite all to invite everybody that liked that particular post.