I found the following two-line answer, I hope can help you .
1、Inside the Control Panel, open Regional Options, in the Language settings for the system selected SimplifiedChinese (If you want to have the election on Traditional Traditional Chinese), and then select Set Default in the Chinese PRC, and then in the Your Locale (Location) elected Chinese PRC, and then Click OK, based on when prompted, enter the installation path on the I386 directory, and then restart according to prompt it. Such as adding the Chinese character input method, you can input Chinese. And the normal use of the Chinese version of the software installed.
2、The English version of the system by default does not support Chinese display. If you need to display Chinese, the East Asian language pack was installed. Is as follows: Click "Start" → "Control Panel" → "Regional and language Options" → "Languages", check on "Install files for East Asian Languages" option, click the "OK button, the system languages installed package after the restart, you can display Chinese. If you are prompted during the installation process to insert the installation disc, you'll need to install the English version of Windows XP CD-ROM CD-ROM Add to complete the installation.
