官方下载地址：http://nct.digitalriver.com/fulfill/0049.050/download/2006-843609861ed8c9d1841182d36e5030aa-3

里面有2个版本，32位色的和64位色，根据自己的情况选择下载。

安装说明：

Autodesk 3ds Max 9

1. Install 3DS Max 9
   Select standalone
   Deselect - Help Files
     - Additional Maps and Materials
     - Architectural Materials

2. Start Max 9 and Select Activate the Product
   when ask for activation,  select Enter an Activation Code
   Use as serial : 629-12382931 or 666-66666666 or 666-69696969
   Write down the request code.

3. Fire up the xforce keygen and generate an activation code
   based on your request code. Continue the registration process
   (select a country, ..)
   Copy and paste your generated activation code ..

4. Enjoy!

NB : if you have an error launching the setup.exe just double click on the msi file
     work 2.0(not 1.x) and dx90c are required (free on microsoft site)

max9视频安装教程: http://www.51render.com/article.asp?id=133

安装的时候序列号用666-66666666就行了，里面有注册机，安装完了启动3dmax9，选择激活，输入用注册机获得的激活码就ok了．．．Enjoy!