How to Install on the Steam Deck

This tutorial will show you how to install the launcher on the Steam Deck.

Install the Launcher on the Steam Deck

The launcher is home to numerous games you may want to play on your Steam Deck. This includes hits such as Diablo 4, Starcraft and more.

Like with using Ubisoft Connect on your device, using is not as straightforward as you would hope.

By the end of this tutorial, you should have the client installed and running within Steam Deck’s gaming mode.

To make the setup of experience of on your Steam Deck smoother, we recommend using a keyboard and/or mouse. However, it is fully installable using the Steam Deck’s controls and on-screen keyboard.

Using the Launcher on the Steam Deck

Over the following sections, we will show you how to install and use the launcher on the Steam Deck.

Swapping to Desktop Mode from Gaming Mode

1. To install the launcher to your Steam Deck, you must change to desktop mode. This mode allows you to interact with the operating system itself.

To get to desktop mode, open the Steam menu by pressing the STEAM button or tapping the “STEAM menu” in the bottom-left corner.

Open the Steam Menu

2. With the Steam menu open, you will now want to tap the “Power” option.

Open the Power Menu

3. You will now be greeted with a variety of options.

Swap to the Steam Deck’s gaming mode by tapping the “Switch to Desktop” option.

Switch to desktop mode on your Steam Deck

Downloading the Client on the Steam Deck

4. Now that we are in desktop mode, we can download the installer for the client to your Steam Deck.

To do this, you will want to open your favourite web browser. In our screenshot below, we will be opening the Firefox browser.

Open your favourite web browser

5. With the browser open, you will want to go to the following URL in the web browser.

Upon opening this web page, the client will automatically begin to be downloaded to your device.

Download to the Steam Deck

Adding the Installer to your Steam Deck Library

6. To be able to install to your Steam Deck you will need to add the installer we just downloaded to your Steam Library.

To begin this process, open the Steam desktop client by going to the desktop and clicking the “Steam” icon.

Open the Steam Desktop Client

7. With the Steam desktop client now open, click the “Add a Game” button (1.) in the bottom left corner.

In the context menu that appears, click the “Add a Non-Steam Game...” (2.) button.

Add a non-steam game to the Steam Deck Library

8. As the installer isn’t automatically listed by Steam you will need to click the “Browse...” button to continue.

Browse to select the installer

9. Within the browse dialog you will want to navigate to the “Downloads” folder by clickingDownloads” in the sidebar (1.).

Next, you will want to select the installer on your Steam Deck (2.).

Once selected, click the “Open” button to add the installer to your Steam library (3.).

Select the installer on the Steam Deck

10. Before proceeding, verify that the “” installer is selected (1.).

Once you are sure its selected, click the “Add Selected Programs” button (2.).

Add the installer to your Steam Library

Changing on Steam Deck’s Compatibility Option

11. Now, with the Steam client open on your Steam Deck, navigate to the library and search for “” (1.) within the sidebar.

You should see an entry labeled “” (2.). Open the entry to continue.

Open client within Steam

12. With the installer open on the Steam Deck, tap the cog icon (1.) on the right side of the screen.

In the pop-up menu, select the “Properties” option (2.).

Open preferences page

13. Now, with the properties screen open, navigate to the “Compatibility” menu using the sidebar (1.).

With the compatibility screen open, ensure the “Force the use of a specific Steam play compatibility tool” is ticked (2.).

Finally, ensure that the version of Proton is set to “Proton Experimental” (3.). Game clients like are often broken on the Steam Deck. The experimental version ensures you gain access to the latest fixes.

Enable Proton compatibility for on the Steam Deck

Installing on the Steam Deck

14. We are finally ready to install the game client to our Steam Deck.

Tap the “PLAY” button within the Steam launcher to begin this process.

Launch Installer

15. The first prompt will ask you to select the language you want to use. To use the mouse within the client you may have to hold the STEAM button.

Once you have selected your language, tap the “Continue” button.

Choose Language

16. You will now have the chance to change the default install location for on your Steam Deck.

As this game client is installed within it’s own virtual directory, leave it with the default value and tap the “Continue” button.

Select installation location

17. As is split into various regions, you must now select your region using the select box at the top of the screen (1.).

Once your region is selected, tap the “Continue” button (2.).

Choose region for on the Steam Deck

18. Once the installation completes, you can log your Steam Deck into the Launcher.

Ensure that you tap the “Keep me logged in” option to stop you from having to type in your password every time you open the client.

Login to your account

Changing the Launch Target

19. At this point the launcher in our Steam Deck library is still pointed to the installer.

We must adjust this value before you can easily launch the client within gaming mode.

To do this, find the “” entry in Steam and open the preferences by tapping the “Cog” icon (1.).

In the pop-up menu, tap the “Properties” (2.) option to continue.

Open Preferences again

20. With the properties page open, you will first want to change the shortcut’s name.

At the top, tap the textbox and open the keyboard from within Steam Decks desktop mode. You can open this by pressing the STEAM and X buttons at the same time.

Rename shortcut on the Steam Deck

21. Next, we will want to change the target location by tapping the “Browse” button next to the “TARGET” textbox.

Browse to select Client on the Steam Deck

22. Start by clicking the “Home” (1.) option in the sidebar to ensure you are in your home directory.

Next, bring up the settings page by clicking the icon in the upper right corner (2.).

Finally, click the “Show Hidden Files” option (3.).

Navigate to Deck home directory and show hidden files

23. Now open the “.local” directory.

Open Local directory

24. Next, navigate to the “share” directory.

Change to the share directory

25. Within this folder, you will want to find the directory labeled “Steam” and select it.

Move to the Steam folder

26. The next folder you will want to open is “steamapps“.

Open the steamapps directory

27. Finally, open the “compatdata” directory. This directory is where Steam installed the launcher earlier.

Change to the compatdata folder

28. Now we are in the correct directory, make sure the list is ordered by the modified date. You can adjust this by tapping the “DATE” option in the top bar (1.)

Next, open the directory that was last modified (2.). Note down the name of this directory as you will need to refer to it later.

Select newest Proton directory that contains on your Steam Deck

29. Now, move into the “pfx” directory

Open the pfx directory

30. We next need to change to the “drive_c” folder. This folder is where the Steam Deck is simulating a Windows desktop for

Change to the c drive directory

31. Next, change to the “Program Files (x86)” folder. This is where we installed the client.

Open program files directory

32. Within this directory, find the one called “” and open it.

Open directory on your Steam Deck

33. Finally, find the file called “ Launcher.exe” and tap it.

With the option selected, tap the “OPEN” button to select it as the launch target.

Select launcher on the Steam Deck

Updating the Start In Target on the Steam Deck

34. If the “START IN” textbox is still set to the default value, then you will need to update it. Steam typically will automatically set the correct value, but some releases break this behaviour. If it looks correct, skip to the next section.

To begin changing the “Start In” directory, click the “Browse” button.

Browse to select Start In Folder for on the Steam Deck

35. You will notice that this dialog looks a bit different to the previous one.

Once the dialog is open, right-click (R2 Trigger) within it and then select the “Show Hidden Folder” option.

Show hidden files within the start in directory select

36. With hidden folders now showing, navigate to the “.local” directory.

Using your D-PAD on your Steam Deck makes browsing through these folders a breeze.

Navigate to the .local directory

37. Now switch to the “share” directory.

Swap to the share directory

38. The next directory you want to change in to is named “Steam“.

Enter the Steam folder

39. Now navigate to the “steamapps” directory.

Navigate to the steamapps directory

40. Once in the “steamapps” directory you will want to find and enter the “compatdata” folder.

Swap into the compatdata directory

41. You will now need to select the Proton directory where was installed to on your Steam Deck.

This is the same folder you navigated into in the previous section.

Change to the Proton directory for on the Steam Deck

42. Now move into the folder named “pfx“.

Open the pfx folder

43. Look for and navigate into the directory labeled “drive_c“. This folder is where Proton simulates the “C” drive within on your Steam Deck.

Enter the folder named drive_c

44. You will now need to swap to the “Program Files (x86)” folder.

Open the Program Files Folder

45. Now that we are in the right spot, click the folder named “” (1.).

Once selected, click the “OK” button to continue (2.).

Select the directory on your Steam Deck

Ensure Target and Start In has Double Quotes

46. Both the “TARGET” and “START IN” fields require there to be a double quote (") at the beginning and end of the lines.

Make sure this double quote is there before proceeding. Steam is meant to automatically add this but this functionality it sometimes broken.

Ensure text fields has double quotes

Adding a Directory to store Games on the Steam Deck

47. To make storing your games on your Steam Deck easier, we will create a directory within your user’s home directory.

Once created, we will create a symbolic link between this folder and the simulated “drive_c“folder within which the client is running.

If you are happy for your games to be stored within the proton directory, you can safely skip to the next section. However, these will be deleted whenever you uninstall the client.

To begin this process, return to the desktop and open the Dolphin file explorer. This explorer is represented by the folder icon in the task bar.

Open Dolphin file explorer

48. With the file explorer open, ensure that you are in the “Home” directory (1.).

Next, righ-click in this folder by pressing the left trigger (L1) to open the context menu.

With the context menu open, hover over the “Create New” option (2.).

Finally, create a new directory by tapping the “Folder” option (3.).

Create new directory to store your games on the Steam Deck

49. Give this new folder an easy name so you know what you store within it (1.). In our case, we will be naming the directory “ Games“.

Remember, to open the virtual keyboard by pressing the STEAM + X buttons.

Finally, tap the “OK” button to create the new folder (2.).

Assign new directory a name

50. Now, split the Dolphin Explorer in two by tapping the “Split” option in the top-right corner.

Splitting the window will make it easier to create a symbolic link later.

Split FileExplorer

51. The folder we are after is hidden by default. Bring up the explorer options by tapping the hamburger icon in the top-right corner (1.).

Within this menu, tap the “Show Hidden Files” (2.) option.

Show Hidden files within File Explorer

52. Next, move into the “.local” directory by double tapping it.

Navigate to the .local directory within Dolphin

53. Now, navigate to the “share” folder.

Open the Share Directory in the File Explorer

54. Within the “share” directory, find the one labeled “Steam” and open it.

Navigate to the Steam directory within Dolphin

55. Next, look for the folder labeled “steamapps” and open it.

Enter the steamapps directory in Dolphin

56. Now, look for and open the “compatdata” directory. This is where we installed the client on your Steam Deck.

Go to the compatdata folder within the file explorer

57. Now that we are in the right place, we need to reopen the options menu by tapping the hamburger icon (1.).

Next, highlight the “Sort By” option (2.)

Finally, ensure that the sort by is set to “Modified” (3.), and the order is set to “Newest First” (4.).

Change files to be ordered by modified date

58. Next, open the folder listed at the top of this directory.

This folder will be the same one you opened earlier when selecting the launch target for within Steam.

Open last modified directory within Dolphin

59. Within this folder, navigate to the “pfx” directory.

Navigate to the pfx directory

60. Finally, open the “drive_c” directory. This is our final destination.

Open the c_drive

61. As we are now in the right directory, click the folder you created earlier by using the right trigger, and drag it to the right side of the screen.

Drag and drop games directory to simulated C drive

62. With the context menu, you will now want to click the “Link Here” option.

This option will create a symbolic link between your created folder and the simulated “C” drive.

Create symbolic link for directory

Change the Default Installation Path

63. Now open the client again to reconfigure the default installation path.

Open the pop-up menu by tapping the icon (1.) on the top-left corner.

Within this menu, tap the “Settings” option (2.).

Open the settings on the Steam Deck

64. Once you are within the “Downloads” tab, you will want to tap the “Change” button next to the “DEFAULT INSTALL DIRECTORY” option.

Change default install directory

65. Within this dialog box, you can select where you want your games installed on your Steam Deck.

You can easily access your drives using the sidebar and by looking under the “My Computer” option (1.). The “C” drive is the one that Proton is simulating.

Once you have selected a drive, browse to the directory on which you want to store the games and select it (2.).

With a folder selected, tap the “Open” button (3.).

Find and select new install directory for Games on your Steam Deck

66. You can now confirm your changes by tapping the “Done” button.

Confirm settings change

67. Back on the desktop, tap the “Return to Gaming Mode” to exit Steam Deck’s desktop mode.

Return to Steam Deck Gaming Mode

Finding the Client on your Steam Deck

68. Back in gaming mode, change to your game library from within the Steam menu.

Open the Steam library

69. Next, change to the “NON-STEAM” (1.) tab.

Find the “” entry within this tab and select (2.).

Open Steam Entry

Changing the Default Input Settings for

70. Now that we are on the client’s Steam page, we can adjust the default controls.

The default settings won’t work well because the client on your Steam Deck relies on the mouse for navigation.

To change input settings, highlight and select the controller icon.

Adjust input settings for on the Steam Deck

71. Next, select the current control layout to adjust the control scheme.

Select current input layout

72. Scroll down until you find the “Gamepad with Mouse Trackpad” option and select it to change the layout.

Change to gamepad with mouse tracking

73. You will now see an overview of the layout that is being set. Press the X button on your Steam Deck to apply this layout.

Apply layout change

74. With the layout changed, we will want to edit it to adjust how clicks are performed.

To edit the new layout, select the “Edit Layout” option.

Edit new layout

75. In the sidebar, choose the “Trackpads” option (1.).

Now underneath the “Right Trackpad Behavior” heading, select the option next to RClick” to change its mapping (2.).

Adjust trackpad settings

76. Using the top menu bar, change to the “MOUSE” tab (1.).

On this page, select the “Left Mouse Click” (2.) option. This will allow you to click with the trackpad when you click it.

Set trackpad to left mouse click for on the Steam Deck

Launching on the Steam Deck

77. Back on the Steam page for the client, all you need to do to launch it is tap the “Play” button.

Launch the launcher on the Steam Deck

78. Below you can see we now have the client running on your Steam Deck while in gaming mode.

You can now use this client to install any exclusive games to your Steam Deck, such as hits like Diablo 4 and Starcraft 2. running on the Steam Deck


At this point you should hopefully now have the client running on your Steam Deck.

This client gives you access to numerous games that aren’t available through Steam itself. This list of games means you can run games such as Diablo 4 on your Steam Deck.

Please comment below if you have any issues running this client on your device.

If you found this tutorial useful, be sure to check out our many other Steam Deck tutorials.

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