BevoWare should detect that you are using OSX. If not, select OSX from the Platform drop-down menu. Then scroll to the list of Antivirus and System Security Downloads and click the "download" button next to Norton AntiVirus 9.0.1 with Uninstall Virex utility, as shown below.
1. In the BevoWare window, double click "Install for OSX" to begin installation.

2. Double click "Norton AntiVirus Installer".

3. In the Install Norton AntiVirus Product window, click "Continue".

4. Read the Important Information, then click "Continue".

5. Read the Software License Agreement, and if you agree with the terms, click "Continue", then "Agree".

6. In the Select a Destination window, select your hard drive, and click "Continue".

7. In the Easy Install window, click "Upgrade" or "Install" to perform basic installation.

8. In the drop-down restart notification window, click "Continue Installation".

9. After the installer goes through few moments of preparing and processing, a LiveUpdate pop-up window will appear. If you are connected to the Internet, click "Yes".

NOTE : If you are not connected to the Internet, you can run LiveUpdate at a later time.
LiveUpdate will update the virus definitions on your computer.

10. When the installation is complete, click Restart.

11. If you installed from the BevoWare download site, drag the Norton AntiVirus installer and the downloaded file (files ending in .sit or .dmg) to the Trash, then empty it (you don't need these files any more).
NOTE : OS X 10.2 USERS: If you did not choose to run LiveUpdate when installing Norton AntiVirus, you may see this error message when you reboot:
"The program you are using needs to use a system file that may reduce the security of your computer".
Click "DON'T USE" when prompted to fix the problem. Then, run LiveUpdate to update Norton AntiVirus. This will eliminate the error message.