If you want to type Chinese characters, you can go to control panel, click 'regional and language options', in 'language' click 'detail', then click 'add' to add Chinese to the input language. After that, you can install an Input Method such as Microsoft Pinyin IME. I hope it can help.

You should install Chinese fonts and Chinese input method.

You need to install the input programme, and this is the most popular one currently among mainland Chinese: http://pinyin.sogou.com/

you have uo install the language package

you means type or write? you can install a handwriting pad if you want to write chinese.