sorry for the late response but you just need to right click on any empty space in the roblox studio and then select the “Properties”, that will open back up the menu, there are a lot of “menus” you can open as well
he cant even spell and all he does is play around with a particle emitter trying to make it look like VFX, you could say a particle emitter is VFX but you cant do nothing with it, you need to get blender or some third party studio for VFX