Since Ciscos website is to say the least a little messy… I have written a cheat sheet for this.

Register Smartnet Contract

Log in with your CCO id
Goto Technical Support & Documentation
In the Technical Support Column half way down click on Service Contract Center (SCC)
At the bottom click on Login to Packaged Services Registration
Here you can register and maintain your Smartnet Contracts

Download 3Des license

Log in with your CCO id
Goto Technical Support & Documentation
Goto Downloads
Click on Cisco Secure Software
Click on Cisco Secure PIX Firewall Software License Registration

Installing 3Des License

ACTIVATION-KEY XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX

Download VPN Client

Log in with your CCO id
Goto Technical Support & Documentation
Goto http://www.cisco.com/kobayashi/sw-center/
Click on Cisco Secure Software
Cisco Secure Access Control Server (ACS)
…?

Download Firmware Upgrades for Pix

Log in with your CCO id
Goto Technical Support & Documentation
Goto Downloads
Click on Cisco Secure Software
…?