Hopper is a reverse engineering tool for OS X, Linux and Windows, that lets you disassemble, decompile and debug (OS X only) your 32/64bits Intel Mac, Windows and iOS (ARM) executables!
Download the Windows version to get access to the demo.
Demo limitations are:
You cannot save documents, You cannot export the disassembled file in text format, You cannot export modified binaries, Sessions are time limited (30 minutes).