This guide will tell you how to install the Rockstar Launcher on your Steam Deck. You need to install the Rockstar Launcher and paste the suitable files into the specific location to patch it with the Steam Deck.
Step 1: You must go to the web browser, search this link Rockstar Game launcher, and download for Windows.
Step 2: Once downloaded, go to Steam, then the library, add a game, and click ‘add a non-steam game’.
Step 3: Click browse, select Rockstar Game launcher, and add it to the library.
Step 4: Go to the Rockstar Game launcher from the Steam library, and right-click on properties. Go to Compatibility and check the first option there.
Step 5: Now play the launcher from the library, select your language, continue, accept the licence agreement, and install it.
Step 6: Go to ‘add a game option’, ‘add a non-steam game’, browse the share folder, ‘steam’, ‘steamapps’, and various folders until you reach program files with rockstar games.
Step 7: Now go to the launcher folder and select the ‘launcher.exe’ file and open it.
Step 8: Go to the steam library and right-click on the launcher.exe file and go to properties. Change its name to Rockstar launcher from the shortcut tab and check the option from the compatibility tab.
Step 9: Again go to the rockstar game launcher.exe file, right-click, go to manage and remove it.
Step 10: Now click and play the rockstar launcher from the library.