Download Microsoft Security Essentials (FOR XP ONLY)

Download Microsoft Security Essentials 32 Bit Version (FOR VISTA AND 7 ONLY)

Download Microsoft Security Essentials 64 Bit Version (FOR VISTA AND 7 ONLY)

To install Mathematica 6:
1. Download and run the math6.exe program above.
2. Click the 'install' button after the installation starts and follow the prompts.
3. When prompted, enter click the 'enter password' button.
4. For the name field, enter your name. For the Organization field, enter 'LHUP', for the license number, enter 'L3062-4636'
5. When the MathID field is displayed, Click the 'web' button.
6. This will take you to Wolfram's site where you can work through the registration process to get your password.