Xpress Manager 3.1 includes previously released versions of Xpress.
When opening a project, Xpress Manager gives the option to update the version:
However, there is not a way to revert the project to a previous version, so before updating, it's good idea to create a backup copy. Since there isn't a File > Save As menu, in the Local Project folder, select the file and Copy & Paste. It will create a copy with (2) at the end of the file name:
Xpress version Release notes :
On Win7 by default, these are stored in this folder:
C:\Program Files (x86)\Parker\Interact Xpress Manager\System Files\Virtual
Updates for Xpress Manager can be downloaded from the product page here.