As the last byte installed, the screen went black. A single line of text appeared: Translation Complete. Welcome to the Party, Elara.
so let's do it first of all open up your Steam library. then right click at the icon of the game properties go to the general tab. YouTube·Nikita Joy Baldur's Gate 3 on Steam Baldurs.Gate.3.Language.Pack.v4.1.1.5932596-RUN...
: When using modified releases like RUNE, it is often recommended to launch the game directly via bg3.exe or bg3dx11.exe in the Bin folder rather than using the official Larian launcher. As the last byte installed, the screen went black
If you are looking to change the language in a legitimate copy of the game, you do not need external packs: Right-click the game in your Library → Properties On GOG Galaxy: Select the game → Customization button Manage installation Steam Community so let's do it first of all open up your Steam library
This article explains:
How to install (general steps)