It may not be that it DOESN'T work with it, it's just that they don't support anything under Windows 7 except their latest software.
Go to the following website to see if your versions work under Windows 7. If not, it's because of how they originally programmed it that makes it incompatible with Windows 7.http://www.microsoft.com/windows/compatibility/windows-7/en-us/default.aspx
It's just the nature of things as an OS matures and grows. When XP came out, that was close to the end of 16-bit apps and some DOS apps because the underlying architecture changed to make the OS more stable and secure.