Windows XP Mode for Windows 7
Windows XP Mode is a free version of XP professional that runs within your Windows 7 (Professional, Ultimate or Enterprise editions) desktop environment (Using Virtual PC).
This feature of Windows 7 will allow you to run older XP programs that no longer function in 7, the best news of all is that it is free, but does require a download
So to require this feature do the following:
1 - Download Windows XP Mode