How to create a full background for your Steam profile

Question (this image is an example, it is not my profile), how can you create the other images for the background wallpaper in your profile? I tried to search on google the

How to Get an Avatar Frame in Steam

Remote Play: How to Stream Games From Your PC to the Steam Deck

How to Make a Steam Profile Picture

Just finished updating my custom Steam profile background, whaddya think? : r/masseffect

How to Change Your Profile Background on Steam

How to Get & Set the Best GIF Avatar as Steam Profile? [Easy]

How to Get, Customize & Change Your Steam Profile Background

Steam Inventory, SteamWiki

Need help please, I want to go full black & never go back. Is there a full black / blank mini-profile background & avatar? : r/Steam

Free] Steam Artwork Showcase [Animated] by Xaridar on DeviantArt

Steam Community :: Guide :: How to make your Steam profile transparent!

How to Customize the Design of Your Steam Profile

8 Tips for Your Upwork Profile Picture