3dmgame-the-sims-4-language-selector-xuanze-tools -

Go to Game Properties > Advanced Launch Options and select your language from the dropdown menu.

Typically supports all 17–18 official languages, including English, Simplified Chinese, Traditional Chinese, French, German, and Russian. 3DMGAME-The-Sims-4-Language-Selector-Xuanze-Tools

Run the Sims.Language.Selector.exe as an administrator. Go to Game Properties > Advanced Launch Options