ImposerPro 1.0.1 for Acrobat:
http://www.mediafire.com/download/kko73cqi2zprfdz/ImposerPro_1.0.1_for_Acrobat.rar

ImposerPro 1.1.4 for InDesign:
http://www.mediafire.com/download/hinutl498jkkh8h/ImposerPro_1.1.4_for_InDesign.rar