Microsoft has one available for Windows XP here. iso files as if they were a CD and lets you access them from your hard drive. Then eject and reinsert the CD.Ģ) Install software that treats. *NOTE some programs will only run on Windows operating systems.ġ) Burn the image to a CD. Just Click the file and it opens like it was a CD. Unfortunately on Windows operating systems, including Windows XP and Windows Vista, you cannot simply click a Disk Image file and open it like a CD. On a Mac OS system, you should be able to use an ISO file much like you would a normal CD. This is a common way to distribute software over the internet that normally comes on a CD. These are often called CD Images or Disk Images. A file with the extension '.iso' (or '.cdr' on Mac OS) is a CD or DVD that has been made into a single file available for download and can be stored on a hard drive.