Baldurs.gate.3.language.pack.v4.1.1.5932596-run... ((link))

If you have downloaded this pack, here is the standard procedure for applying it. This assumes you have the base game installed and it matches the version number (v4.1.1).

Naming conventions explained

: If the language does not change automatically, some users open the language.lsx file with a text editor like Notepad and manually change the value="french" (or other language) to your desired language. Baldurs.Gate.3.Language.Pack.v4.1.1.5932596-RUN...