Open the Steam application in desktop mode and follow the same steps as you would on a PC: go to Games > Add a Non-Steam game to my Steam Library, select the game, and add it to your library.

While you can launch games not purchased from Steam in its desktop app, games from the Microsoft Store or PC Game Pass need a little help to work.

If you've hidden any of your Steam games from your library, there is a way to bring them back to your standard library if you're missing any games you hid.

Want to bulk or batch install multiple games at once in Steam on PC? See this post for the step-by-step instructions you need to follow.

Want to get your Epic Games library on Steam Deck? Here's a quick and easy guide on how to do it. We'll show you step-by-step how to get all your favorite Epic Games titles onto Steam Deck, so you ...

Itching to stream Xbox games to your Valve handheld? Here's how to get Xbox Game Pass on Steam Deck and access the Cloud Gaming library.

Whether it’s a classic game gathering dust on your hard drive or a recent purchase from another store, Steam makes it easy to consolidate your collection.