Starting from Windows XP and now with latest Windows 8, Microsoft offers two types of Windows, one that works on 32 bits and another one that works on 64 bit version. In one of our TheTechJournal articles we did explained you how to find out if your PC is running the 32 bit or 64 bit version of Windows so please read that how to tutorial too. Same as Windows it is possible for the user to know which application is run in 32 bit or 64 bit mode. This procedure is nothing too complicated and in this tutorial I will show you how to do that.