Windows XP Pro x64 Edition (64-bit edition) is designed to meet the demands of customers who require large amounts of memory and floating point performance in areas such as mechanical design and analysis, 3-D animation, video editing and composition, and scientific and high-performance computing applications.
The performance of 64-bit computing offers advantages in fields such as automobile or airplane design, by allowing engineers to create larger, more complex models. With such systems, engineers can use simulation software to analyze the effects of airflow, stress, and heat on materials of a car or plane, and then study the results to improve product design. Likewise, 64-bit computing is a benefit for digital content creators, including 3-D animators, digital artists, and game developers who can significantly reduce the time spent to digitally render three-dimensional models. In the areas of scientific and high performance computing, Windows XP Professional x64 Edition will aid in oil and gas exploration, seismic analysis, computational fluid dynamics and scientific visualization, among other applications.
Top 5 reasons to upgrade to Windows XP Professional x64 Edition
- High performance platform for the next generation of applications
Windows XP Professional x64 Edition is a rich platform that enables the next generation of high-performance computing. 64-bit native applications can deliver more data per clock cycle, making them run faster and more efficiently.
- Large memory support
Windows XP Professional x64 Edition supports up to 128 gigabytes (GB) of RAM and 16 terabytes of virtual memory, enabling applications to run faster when working with large data sets. Applications can preload substantially more data into virtual memory, allowing rapid access by the 64-bit processor.
- Flexibility
Windows XP Professional x64 Edition provides a rich platform to integrate 64-bit applications and existing 32-bit applications using the Windows on Windows 64 (WOW64) x86 emulation layer, providing customers with the ability to move to 64-bit computing without having to sacrifice their existing investment in 32-bit software and Windows expertise.
- Multiprocessing and multicore
Windows XP Professional x64 Edition is designed to support up to two single or multicore x64 processors for maximum performance and scalability.
- Same programming model
Developers with 32-bit skills will be comfortable and quickly productive in the 64-bit Windows environment, finding it virtually identical to the development environment for 32-bit Windows.
Windows XP Professional 64-bit System Requirements
Important: Windows XP Professional x64 Edition cannot be successfully installed on x86 (32-bit) systems or 64-bit Intel Itanium–based systems. 32-bit device drivers are not supported on WindowsXP Professional x64 Edition 
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