To understand the issue better I would like to ask you couple of questions.
a)Are you trying to use Chinese fonts in Windows 7 or in Internet Explorer?
b)Which edition of windows 7 are you running currently?
Language pack is available in Ultimate and Enterprise, if you have Windows Ultimate or Enterprise edition you may follow the steps below and install the language pack.
To download and install a Windows 7 language pack, follow these steps:
1.Start Microsoft Update. To do this, click
Start, type Microsoft Update in the Start Search box, and then click
Microsoft Update in the Programs list.Collapse this imageExpand th
2.Click the optional update links for the language packs.
Windows 7 Language Packs category, select the desired language pack.
Note If you install many additional language packs, the disk space and system performance are affected. In particular, disk space and system performance are affected during servicing operations, such as Service Pack installations. Therefore,
we recommend that you only add a language pack to your computer if you will use the language pack.
OK, and then click Install updates to start the download and installation process.