2. goto control panel->regional-> change default language as PRC, and also select input method for chinese as MS PinYin. After click "OK", you will be asked to insert your system installation disk(win2K, or WinXP CD, depend on your OS)
Open your PS, drag T from tool bar to the layer you want to write. click alt+shift to activate "MSPY" input, type the chinese chars you want. DONE.
For your system, if you don't want to change the locale as PRC, after you have done your PS job, you can switch back. You will have no limit to switch back and forth.