tutorial

I had always wanted to create a modification that would change the campaign, modify the original weapons and also the map, but always had not been able to because I do not know where to start what I would like to know is the following: 1. Where do I start? .2.What tools do I need? 3. How...

Is there any tutorial on Fallout 1 Modding? I failed to find anything teaching how to make mods to Fallout