Release Notes 8.2.0.0 > Updates in Release 8.2.0.0 > Upgrade Not Supported
  
Upgrade Not Supported
You cannot upgrade Arbortext Editor, Arbortext Styler, and Arbortext Publishing Engine from an 8.1.X installation to 8.2.0.0. You must uninstall 8.1.X before installing 8.2.0.0. You must copy any customizations to a temporary folder and uninstall 8.1.X.