How to find a file is 32bit or 64 bit on Windows

Download the utility file.exe from
http://www.vowles-home.demon.co.uk/utils/file.zip

Now run the command

file pidgin-2.6.6.exe

pidgin-2.6.6.exe, DOS/Win, i386 32bit executable, GUI, PE format

file c:\wordpad.exe

c:\wordpad.exe, DOS/Win, x86-64 64bit executable, GUI, PE format

file c:\TeraCopyExt64.dll

c:\TeraCopyExt64.dll, DOS/Win, x86-64 64bit executable, dll, GUI, PE format

file c:\TeraCopyExt.dll

c:\TeraCopyExt.dll, DOS/Win, i386 32bit executable, GUI, PE Modifed