If you want to experience the renaissance of Roblox gaming, step into the time machine, and you’ll see how we used to do it back in my day (I am not that old; I was like 7 when Roblox released), and ...
Either drag & drop the extension ZIP file directly into Blender and enable it via the pop-up dialog. Or from within Blender, click through these: The Blender-specific Python extension code is licensed ...