It doesn't have a linux version, so unless you're a gamer it's not worth the effort to get it running unless something has changed... Last time I found it easier to just download the UE5 source to mess around with it. Afterwards, it seems like I needed the Epic client for other reasons. I'm guessing there could be legitimate barriers although it's been a long time for me. Currently I'm downloading the new UE5 source again and take another stab at getting the Epic client running.