I have AS Anti-Hacker Standard
  Upgrade to AS Anti-Hacker Professional
  By enjoying a special price of US$29.95  (Box or Download).
  Upgrade to AS Anti-Hacker Enterprise
  By enjoying a special price of US$169.95  (Box or Download).
   
   
  I have AS Anti-Hacker Professional
  Upgrade to AS Anti-Hacker Enterprise
  By enjoying a special price of US$139.95  (Box or Download).
 
NOTE: You do NOT need to uninstall AS Anti-Hacker to do the upgrade.