There is a common fear that Steam will ban you for running cracked games. Because you are adding them as "Non-Steam Games," Steam does not track ownership of them. It simply sees you running an external program. regardless of where the game came from.
This error usually means Proton is not installed or is corrupted.
Before installing any games, you need to enter "Desktop Mode," the familiar Linux environment that sits behind the SteamOS "Gaming Mode" interface.
A to connect a standard keyboard and mouse (highly recommended for file navigation).
If you have a setup file (like a repack), follow these steps:
You can install the game on a separate PC and copy the installed folder to the Steam Deck via an external SSD or network transfer .
Check . Select Proton Experimental or Proton 8.0/9.0 . Step 7: Launch in Gaming Mode Click the Return to Gaming Mode icon on the desktop. Go to your Library -> Non-Steam . Select your game and play! Troubleshooting Common Issues
This means you don't need to install Windows to play your games. You are essentially running your game files through the same Proton technology that makes thousands of Windows games on Steam work flawlessly.
translation layer to run Windows installers or executables. While the device is built for Steam, its desktop mode allows you to treat it like a Linux PC to run external software. 🛠️ Core Installation Methods 1. The "Add Non-Steam Game" Method (Recommended)
Ensure both devices are on the same Wi-Fi network to transfer the files wirelessly. Step 3: Install the Game or Add the Executable
This is the simplest method, requiring no additional software beyond what's built into Steam. It works best for "pre-installed" games or those that are already unpacked.