In our case it’s “mmcblk0p1.” If you mess up at this stage, simply delete the installer from your Steam library, and start the process over. Lastly, you’ll click the name attached to your microSD card. After clicking into that, expand the “run” folder, then the “media” folder. On my Steam Deck, it’s nested within the “Z” directory.

By default, the installation will happen on your onboard storage, but alternatively, you can store the app and your games on a microSD card by changing the save destination. Run through the installation as you would on your desktop. Select “Proton Experimental,” close the settings menu, and then run the installer.

In Properties, you’ll see two options: “Shortcut” and “Compatibility.” Under Compatibility, you’ll find an option that says “Force the use of a specific Steam Play compatibility tool.” Check the box, and you’ll be provided a drop-down button containing a list of different Proton builds.

Click it, then navigate go down to “Properties.” Image: Alice Newcome-Beill/Polygon Click once to select it, then move your cursor over to the gear-shaped icon on the right (hovering over it shows the word “Manage”). When Steam launches, you should see the name of the installer file that you just downloaded along the left side within the “Library” view. After that, open Steam on your desktop (an icon should be there by default). If so, simply tap “Browse” on the lower left corner, then select the installer in your downloads folder. Then, in the drop-down menu, click the option that says “Add to Steam.” You may see a pop-up from Steam that asks you to add a non-Steam game. If you have a mouse connected, right click the file “,” or pull the left trigger that mimics the right click action. Click on the first option, then there will be an option to download the game launcher right at the top of the that page.Īfter the file has been downloaded, open your downloads folder by clicking the file explorer (the folder icon on the taskbar called Dolphin). Once a browser is installed, open it and search for. The best Steam Deck accessories Image: Alice Newcome-Beill/Polygon

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