Windows XP: Small, Free Way to Use and Mount Images (ISO files) Without Burning Them
Microsoft has an unsupported virtual CD-ROM program. Why buy alcohol or Daemon Tools?
Alcohol and Daemon Tools are excellent software packages that allow users to mount ISO files as virtual CD-ROMs. Yes, there is a way to use that ISO without burning it to a disk.
Although I love these tools, Microsoft has a free, 60kb program that does the same thing! Of course, it is not supported