The "better" portable build is frequently archived on under "Adobe PageMaker 7.0.1 Portable." Look for the uploads by user VXSoft or PortableAppZ —these are generally considered the most stable repacks.
While Adobe officially discontinued PageMaker in 2004 (replacing it with InDesign CS2), the software refuses to die. A specific, almost mythical version persists on forums, archive sites, and USB sticks: . adobe pagemaker portable 70 1 better