Hi there, my name is Jonathan, and I've been doing GFX for about 3 years now. The main program you want to start with is Photoshop. You can do a few Google searches to find out more details on it. Another program worthy of interest is Cinema 4D (This program is a little bit tricky if you're a beginner.) The biggest tip I can give is to never look up tutorials once you get the basics, unless you absolutely have to. Figuring it out on your own is awesome because it's your own style, and people are always looking for a unique and different style. Good luck.