on the content at the link you provided ( https://katmoviehd.nexus ), the page currently does contain any visible guides, tutorials, or functional menus. It only shows a single prompt: “Click here to enter.”
If you clicked through and reached an actual internal page with menus or search features, please provide that new URL or a description of what you see, and I will gladly write a detailed guide for you. https://katmoviehd.nexus/