https://github.com/tx00100xt/SeriousSamClassic
To download game files from a game even when you are running an unsupported OS. https://developer.valvesoftware.com/wiki/SteamCMD#Cross-Platform_Installation
https://github.com/tx00100xt/SeriousSamClassic
To download game files from a game even when you are running an unsupported OS. https://developer.valvesoftware.com/wiki/SteamCMD#Cross-Platform_Installation