Gone are the days you have to use that hacked copy of alcohol 120. New and improved version 2.2 of WinCDEmu works with x64 and x86 and will mount the most common type of disk images. This includes ISO, CUE, BIN/RAW/IMG file formats! It can even mount them from any network share.
This is by far the easiest application to use as it requires nothing more than double clicking on the image (as many as you want it will mount them all at the same time). Better yet, when you install it you won’t have to hassle with a restart like you do with other programs.