Proton - 5.13 Download [upd]
For most users, there is no need to manually download Proton 5.13 from an external site, as it is distributed directly through the Steam client.
When you set a game to use Proton 5.13 in its properties, Steam will automatically download the necessary files, including the required Steam Linux Runtime. Manual Selection in Steam: proton 5.13 download
If you are using non-Steam launchers like Heroic Games Launcher or want to manage versions on a Steam Deck, you can use ProtonUp-Qt to download and install specific versions easily. Key Features and Compatibility For most users, there is no need to
Proton 5.13 was a "massive update" that brought many high-profile AAA titles to Linux for the first time. Key Features and Compatibility Proton 5
Proton 5.13 is a landmark version of Valve’s Steam Play compatibility layer, designed to run Windows-exclusive games on Linux-based operating systems like SteamOS. Released in late 2020, it introduced critical features like the Steam Linux Runtime "soldier" container system, which significantly improved game isolation and portability across different Linux distributions. How to Download Proton 5.13