Board Thread:Support Requests - Designing Your Wiki/@comment-44721338-20200712154843/@comment-44807868-20200720044808

JustCallMeRain might indeed be confused if their wiki is on UCP, since its editor behaves differently compared to the classic editor. If your wiki was created after March 11th, then your wiki would be based on UCP platform. You can disregard the rest of my post if that isn't the case.

And if that's indeed the case, then well, even I can't figure out how I'm supposed to add a slider or slideshow through visual editing option... Is it even possible? How odd. You can add it through source editing, though. You can switch to it by clicking on Visual Editor and then on Source editing, like so:

And then you'd follow the steps described on Help:Galleries, Slideshows, and Sliders/wikitext.