Explanation/Reference:
Explanation:
Windows XP Mode requires a processor that supports hardware virtualization using either the AMD-V or Intel VT options. Most processors have this option disabled by default; to enable it, you must do so from the computer's BIOS.
Other info
Requirements:
Windows 7 Home Premium, Professional, Ultimate, and Enterprise editions have the following minimum hardware requirements:
1 GHz 32-bit (x86) or 64-bit (x64) processor

1GB of system memory

A 40-GB hard disk drive (traditional or SSD) with at least 15 GB of available space

A graphics adapter that supports DirectX 9 graphics, has a Windows Display Driver Model (WDDM)

driver,
Pixel Shader 2.0 hardware, and 32 bits per pixel and a minimum of 128 MB graphics memory

XP Mode
Windows XP Mode is a downloadable compatibility option that is available for the Professional, Enterprise, and Ultimate editions of Windows 7. Windows XP Mode uses the latest version