If you are using a community-made translation (such as for languages not officially supported), you will typically move the Localization folder or specific .pak files into the Data directory of your BG3 installation folder. Troubleshooting "Language Version Mismatch"
The primary file controlling which language the game loads is typically language.lsx baldursgate3languagepackv4116072089run updated
If you are developing custom text (e.g., for a mod or a translation patch), you will work with Translated String Keys: Game text is assigned to unique "String Key IDs". Formatting: If you are using a community-made translation (such