Many a times you must have received an error message while running an executable warning you that the process cannot continue as the application needs X86 or 64 bit platform. However many a times you get this error message after a long time, in fact when it went through half of it.
Now lets say you have an exe,dll or sys file and you would like to find out if it will run on your machine on or not, download the bitness program which will suggest what is the Bit of it. Here is how :
Just and drag file over this application and you will get message if its a 32 bit application or 64 bit. Download it from here.