4 Professional , Enterprise N' Ultimate
Windows XP Mode is a 500MB File and may take several minutes to download.
Enables Windows XP Mode 4 PC without hardware assisted Virtualization Technology.

Instal This First: XP Mode (External Server)

Instal This Second: Virtual PC (External Server)

Instal this Third: XP Mode Update (External Server)

Continue Reading (If U Have Official Licence Click Here)
Note: Once you have installed Windows XP Mode click the Windows 7 Start button then select All Programs\Windows Virtual PC\Windows XP Mode to begin setup. For information on how to set up Windows Virtual PC and Windows XP Mode, check out "Running Windows XP Mode with Windows Virtual PC"