Installation notes:
1. Install 3DS MAX 2009.
2. Start 3DS MAX 2009 and Select Activate the Product when ask for activation, select Enter an
Activation Code
Use as serial : 653-12354321 or 666-98989898 or 666-69696969
Write down the request code.
3. Fire up the xforce keygen  located on iso file in crack folder  and generate an activation code
based on your request code. 
Continue the registration process.
Copy and paste your generated activation code ..
Restart MAX
4. Enjoy