Microsoft Windows XP Professional x64 Edition is designed to meet the needs of people who use or design applications that demand the highest levels of memory access, performance, and scalability. If your professional work or hobbies fall into one of the following roles, you would likely benefit from the increased power and memory of Windows XP Professional x64 Edition:
Application developers and hardware vendors: If you're a developer, you continually push yourself to produce the fastest, most cutting-edge applications to solve tomorrow's tough problems. Both consumers and business users are pushing the limitations of current 32-bit systems. By designing applications for a 64-bit system, you'll help your customers be more productive while using the applications you design. When you use the x86 instruction set within a standard Windows platform to develop applications on the next-generation 64-bit architecture, you'll be able to spend less time writing memory management code and more time differentiating your applications. Designing on 64-bit systems helps you to create new applications that will provide new revenue opportunities.
Engineers: In many areas, such as automotive or aerospace design, a key factor to your success is your ability to conceptualize designs within stringent design-safety guidelines more quickly than your competitors. Designers and engineers who use computer-aided design and engineering applications will benefit from the large memory support, fast memory throughput, and improved floating-point speeds of Windows XP Professional x64 Edition. Instead of working in wireframes or piecing together sections of a large model, you can design and manipulate richly detailed representations in real time. With Windows XP Professional x64 Edition, you can take advantage of enhanced performance to design or manage data-intensive projects more effectively and quickly.
Animators: Windows XP Professional x64 Edition turns your PC into a supercomputer, so you can create and render two-dimensional (2-D) and three-dimensional (3-D) projects many times faster than was possible before. Animators can benefit from the additional memory, increased memory I/O speeds, and improved floating-point performance.
Game developers: If you're a game developer, Windows XP Professional x64 Edition lets you render models or scenes more quickly than 32-bit systems do. Windows XP Professional x64 Edition also allows you to work with fully rendered 3-D models, rather than with a smaller wireframe representation of the model. You can work at your peak level of creativity and view completely rendered models during the development of your projects.
Gaming enthusiasts: Gamers routinely push the boundaries of 32-bit PC architecture, and video game developers are at work right now building exciting 64-bit native games to help push these limits even further. Since data in memory is accessed about 10,000 times faster than it is on a disk drive, 64-bit native games hold the potential for significantly faster graphics rendering, producing photo-realistic immersion and rapid-fire play without annoying delays. These improvements, along with other benefits of 64-bit architecture, should enable artificial intelligence and 3-D games that were not possible in the past.
Video and photo editors: Professional and amateur photographers, video editors, Web designers, and home PC enthusiasts increasingly use PCs to do sophisticated video editing and photo manipulation. With Windows XP Professional x64 Edition and a variety of professional-caliber video-editing applications, amateur photographers can modify, enhance, and render captured video faster than ever—without the delays added by swapping data between the hard drive and memory. The large memory capability of Windows XP Professional x64 Edition gives you plenty of memory headroom to load and manipulate large video files without having to break a project into smaller pieces. As leading video-editing applications become available in 64-bit versions, home productions will attain new levels of professionalism; you'll be able to create longer productions with richer visuals and higher-impact special effects.
Audio and music producers: With the massive addressable memory capacity of Windows XP Professional x64 Edition you can create, manipulate, and produce new music and audio experiences with unprecedented speed compared to 32-bit systems. The greatly expanded virtual memory capability not only handles much larger files, but also greatly reduces the time you spend waiting for audio files to finalize.
Important considerations
Because Microsoft Windows XP Professional x64 Edition is relatively new and is based on fundamentally different technology architecture than the 32-bit version of Windows XP, you should consider several factors before adopting Windows XP Professional x64 Edition:
Devices: Windows XP Professional x64 Edition requires 64-bit device drivers. This means that the manufacturers of the printers, keyboards, and devices you regularly plug into your PC must have device drivers that work with Windows XP Professional x64 Edition. Please check with your device manufacturer to verify the availability of 64-bit device drivers.
Software: New applications—like the ones coming out for digital content, engineering, and gaming communities—are often built to run on 64-bit systems. You may already have 32-bit software that can run on Windows XP Professional x64 Edition. Widely used programs, such as Microsoft Office 2003 and Adobe Photoshop CS2, run on Windows XP Professional x64 Edition. However, there are some known incompatibilities with 32-bit software. For example, because Windows XP Professional x64 Edition does not support 16-bit software, older programs may not run on it. In addition, software that includes kernel-mode drivers—such as antivirus packages and back-up applications—must be 64-bit native to run on Windows XP Professional x64 Edition. It's a good idea to check with the company that makes your software to find out if it runs on Windows XP Professional x64 Edition.
Migration: Whether you are moving to Windows XP Professional x64 Edition from a 32-bit operating system or simply experimenting with a trial version, it's important to note that migration requires you to “wipe and reload” your operating system. In other words, when you install Windows XP Professional x64 Edition, it will overwrite the preexisting operating system. You can save your files and settings and take advantage of the Windows Migration Wizard, and then reinstall your applications and devices once you are working with Windows XP Professional x64 Edition.
While software developers and device manufacturers adjust to Windows XP Professional x64 Edition, it's a good idea to carefully check that your vital applications and devices will run in a 64-bit environment. And if you don't fall into one of the groups described here—people who can take immediate advantage of the performance gains of Windows XP Professional x64 Edition—you may want to wait to adopt this edition until Windows Vista is released and 64-bit systems are more widely supported.
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