Click the button to go to the tutorial for that topic. Press the down arrow to go back to the buttons with the tutorials. Double-click the right arrow to go to the next slide and the left arrow to go to the previous one. I hope this helps. Comment if things don't make sense, or with questions/suggestions. (comment them on Parnapple's project. I don't know anything about coding Paper Minecraft)
Thank you to Parnapple for all of the project, except for the arrow controls.