Step 1: Open the game details / game preview screen.
Step 2: Click / Tap on the content below the preview screen.
Step 3: Click / Tap on the edit question button.
Step 4: Click / Tap on the youtube link button. / If you want to add an image click on the image icon button.
Step 5: Add or Past URL in the below box.
Step 6: Hit save youtube link.
On Desktop or Mac or Web app or Mobile Device.
