The word "Xuanze" (选择) implies freedom of choice. Unlike the binary "Uninstall/Reinstall" offered by EA, this tool gives you a drop-down menu of 12+ languages. You select, click "Save," and launch the game.
Find the string and change its value to your preferred language code (e.g., en_US for English or zh_CN for Simplified Chinese). Steam/Origin Settings : 3DMGAME-The-Sims-4-Language-Selector-Xuanze-Tools
The tool addresses a common frustration: many legitimate copies of The Sims 4 (especially those purchased in certain regions like China, Russia, or South America) have the in-game language locked to the region of purchase. For example, a copy bought in China may only display Traditional or Simplified Chinese, with no option to switch to English, French, or German within EA App’s settings. The word "Xuanze" (选择) implies freedom of choice