I had a situation recently where an application needed to be installed on all workstations (desktops and laptops) unless another application was installed. Traditionally I would use collections to accomplish this. create a collection “Deploy Mfg App vVersion – Exclusions”
ConfigMgr 2012 and 32-bit Application Installers
This is a great article by Jason Sandys on file and registry redirection when dealing with 32-bit applications on 64-bit operating systems. Read more http://myitforum.com/myitforumwp/2012/08/12/configmgr-2012-and-32-bit-application-installers/