06 Aug 2012 Microsoft Windows Installer 4.5 (XP 32 bits) Free Written by Admin on. Posted in Drivers Microsoft Windows Installer has been tested by Softonic, but it still doesn’t have a review in English. To Download this Software please Like it on Facebook and more link! . Trackback from your site. Leave a comment Notify me of follow-up comments by email. Notify me of new posts by email.