For Windows XP users:

• Open your Control Panel, select “Regional and Language Options”.
• Go to the “Languages” tab;
• under “Supplemental Language Support”, select “Install Files for Asian Languages,” Then  click“OK”, “OK”.
• Wait for the files to install, then restart your computer.
• Return to “Regional and Language Options” and the “Languages” tab.
• Under “Text Services & Input Languages”, “Installed Services”, select Add.
• In “Add Input Language” dialog, choose “Input Language”, “Chinese, PRC,” then click“OK”.

For Windows 2000 users:

• Open Windows Start menu > Settings > Control Panel.
• Select the Regional Options icon.
• On the General tab under "Language settings for the system," click Simplified Chinese, and then click Add (if there is such a button). When you click OK, your computer may demand the Windows 2000 or Office 2000 CD-ROM so that it can copy font files to your hard disk.
• Click "Input Locales." Click the "Add" button and, under "Input Locale," choose "Chinese (PRC)."
• Under "Keyboard Layout" choose "MS Pinyin". In the lower part of the dialog, you can set "Switch between Input Locales" to either control-shift or alt-shift. "Switch to English" can be left at "none,".
• Be sure to choose the "Enable indicator on taskbar" box.