How to Emulate the PS3 on a Steam Deck With RPCS3

howtogeek.com:

Want to go back to the late aughts/early 2010s and relive the PS3 glory days on your Steam Deck? You can do it with the help of RPCS3, a PS3 emulator that can run all your PS3 favorites. Our guide will show you how to install RPCS3 via EmuDeck and how to get the emulator up and running.

The first thing you must do is install Emudeck. You can download Emudeck by opening Firefox—the default browser in SteamOS, but you can use any browser installed on your Deck—and visit EmuDeck.com. Once the website loads hit the “Download” button located on the upper right side of the front page.

Once you’re on the download section, click the “Download Installer” button and wait for the download to finish. Firefox will save the EmuDeck installation file in your “Downloads” folder.

Now, in order to install EmuDeck, you have to move the installation to your desktop. This is a mandatory step needed for EmuDeck to work properly. To move the installer to your desktop, open Dolphin, the default file manager app on SteamOS, and click on the “Downloads” tab located on the left side by pressing the right trigger or the right touchpad. Once inside the “Downloads” folder, locate the EmuDeck installation—the file titled “EmuDeck.desktop”—and right-click it by pressing the left trigger on your Steam Deck. Once you’re greeted with the right-click menu, click the “Cut” option.

You can now minimize Dolphin and go to the desktop. Once on the desktop, right-click on any part of it not covered by icons and then click the “Paste One File” option.

Once you move the installation to the desktop, double-click the “Install EmuDeck” icon and click “Continue” when prompted.

The installer will download files, open a terminal Konsole window, download updates, and install