I found it interesting that there was no upgrade option to go from Xtreme 4 and Web Designer to Xtreme 5 Pro, they would only allow me to go to Xtreme 5, however if you go to upgrade from Xtreme 4 you can go to Xtreme 5 or Extreme 5 Pro. I purchased Xtreme 5 because Xtreme 5 Pro was not available