This section of the documentation will guide you on how to create a Gallery Link Post.

Step 1 : Log into your WordPress Dashboard and navigate to Gallery > Add New

Step 2 : Enter your gallery name on upper field

Step 3 : Change the Post format to Link Post

Step 4 : Select or create a category, add tags, and upload a featured image for your Post

Step 5 : When you are done, go ahead and update your page and it should look like this.