Lifecycle Designer and Acrobat DC

I have some forms that I developed in Acrobat 8 pro using Lifecycle Designer.  I just "upgraded" to Acrobat DC.  I am TRYING to import an XML file into a form I created in LifeCycle Designer using Acrobat DC, but it tells me I have to do it in Lifecycle designer, however, I cant FIND Lifecycle designer in the files that installed.  I like new programs and challenges, but this is driving me crazy!  Any help would be appreciated.