[2023] Cannot Reach Launcher on Linux

ZholyQofPower said: use Steam's Proton on Linux (Pop!_OS 20.04),

Please use the standard Steam native Linux install from here

Steam, The Ultimate Online Game Platform

Steam is the ultimate destination for playing, discussing, and creating games. store.steampowered.com "Install Steam Now"

ZholyQofPower said: EUIV is not officially supported on Linux

EU4 is absolutely supported on Linux, but only Ubuntu. Not sure how you got that idea!