Best Game Making Software?

Define "game making software". If you're trying to make the next Elder Scrolls, I wouldn't even start, because you'll fail without a capable team of designers. Start with a smaller engine that's simpler to get to grips with like Gamemaker Studio. After that, I'd get some books on game design if you actually want to get anywhere with this. Practice with small projects, maybe upload some of your work on Kongregate to see what ideas will make a hit and what will clearly fail.