The "Permanent Chinese Localization Tool for English Software Prompt Messages" mentioned by mhyx was developed by me. The final version is 2002.2.12. Fellow forum members can directly download and use it for free:
http://games.sina.com.cn/downgames/tools/0206456.shtml
http://download.pchome.net/utility/lan/chinese/10698.html
If you need the DOS version, you can contact me, and I will provide it for free. Email:
liguoyin@21cn.com. At the same time, everyone is welcome to give valuable opinions on the software!