How do I install backgrounds for my games?

Above.

I have a Gotham City Night time background for a Batman fan game, how do I use it as a background for my game in UE5.7?

I’m a total noob you see.

Hey there @MrAllen1976! Welcome to the community! By background, do you mean a sky box or just a regular image background for a 2D game?

If you have an HDRI for a sky box you could use this tutorial:

However you may need to adjust an image for it if not. If you just mean a 2D background for a 2D game, you would just import it and place it on a plane. However you could also prepare it for parallax if you wanted:

Let me know the specifics and I can get more relevant resources!

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Basically it’s a 2D background of a Gotham City Night time to use on a Batman themed game as mentioned last night

I’d like it to Parallax scroll if possible?

Understood! The second video I linked prior is actually one of the best 2D Parallax Scrolling Background tutorials I could find for you. Give it a try!