how to round faces on a barrel

So I made a 55 gallon drum in blender and when I export it to unreal it shows up with a ton of edges where it should be circular. I would like to make it look like a true barrel completely round and not with a ton of flat faces. Do I need to add more polygons some how? Or is it a sculpting issue? I attached a close up view of my barrel in unreal and you can see the flat faces im talking about.

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since it’s rendering out with the flat faces in Unreal you may have to check over there to see if it’s on there end…

I’m not much into the game engine even in blender…

but I would think that the ‘smoothing’ option would be the culprit…

if you haven’t already check out this link for information on this issue…

https://www.katsbits.com/tutorials/unreal/setting-up-smooth-groups-correctly-in-blender.php

also here…

Im at work at the moment and will check out those links, thank you! But for the smoothing option I do export using the smooth faces option and it still comes out that way, so maybe I need to do smooth edges?