Welcome to Roblox tutorials the subject we are going to talk about in this text is learning about Lua scripts then it will become easy. You can learn how to script Lua in the pages in the bottom of this text.
You will also need to know how to use Roblox Studio so I will teach you by the pages below.
If you learn how to use Roblox Studio you will be able to put model in your place also you will learn how to put script in your map etc.
To make a model is simple, a model is just a group of parts and scripts together. To publish your model you just have to right click your model in Roblox Studio and click publish save to Roblox.