An idea that MAY work to install and/or run old programs in Windows 10... works for some, not for others
-http://www.tenforums.com/tutorials/15523-compatibility-mode-settings-apps-change-windows-1 0-a.html
-or Run as Administrator http://forums.adobe.com/thread/969395 to assign FULL permissions may help... says Encore, but sometimes required for ALL Adobe programs (this is NOT the same as using an Administrator account)