So it's not upgraded like your usual desktops. Now that doesn't mean you can't game on such but it will cost a little and require a high speed Internet connection for today's games.
Read https://www.howtogeek.com/362411/the-best-cloud-gaming-services-for-streaming-video-games/ to see what's going on now.
I have an hp envy 20 touchsmart pc that is a few years old but still brand new based on usage for the most part specs are intel core i3 @ 3.30ghz 6gb of ram runs windows 8.1 64 bit os can this pc handle gaming? Also is it possible to upgrade the graphics card and if so what would i need? Pending that upgrading the graphics card would even make enough of a difference of course.. thanks for any help in advance