CD is not compatible with Windows 7 64-bit operating system, so don't buy this if that's your operating system as you won't be able to load the CD. Thus, the CD's only use is as a coaster for your cold beverage. Also, publisher doesn't seem to have a 64-bit compatible CD available as an update, so you can't buy this and then somehow exchange CDs with the publisher to get a version that works on the newer Windows 7 64-bit system. Now that many of us have the Windows 7 64-bit operating system, the product description should describe this limitation and how this will only work on older operating systems.