If you are new to gaming and don't know what to buy, here are a few suggestions PC Gamer: Best PC Games PC Mag: Best PC games of 2021 Gamesradar: Best PC Games Steelseries Blog: Video Games for Beginners Best Video Games for Beginners Lifehacker - 10 videogames for people that want to be...
Depends on the games you want to run. Most people who ask that want to play the latest AAA games, and I don't really know if your system can handle it or not, but I suspect that it would be able to play most anything if you adjusted the graphics options.
Here's a good site that can probably help you out; what can i run