Steam 2.8 Version Not Opening

Hi! I don’t really use forums so I’m not 100% sure how this works but I have a problem and this seems like the best place to get it figured out. I just installed AoM on my PC but it won’t run at all. It’ll get to the menu where you select “Play” or “Workshop” or whichever, and then when I select play the screen goes black except for some green glitchy lines at the top (I couldn’t get a screenshot unfortunately). This lasts for maybe 15 seconds and then the game closes itself out.