How to Use XP 64-Bit
Microsoft Windows XP x64 Edition functions much as the 32-bit version of Windows XP does. Two significant differences between the versions are that XP 64-bit can support more physical memory than the 32-bit version, and that XP 64-bit supports multiprocessing. Both of the differences in XP 64-bit contribute to better performance when running software applications. However, there are particular differences in the way XP 64-bit interacts with hardware and software that you must take into account as you use XP 64-bit.
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Instructions
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Locate and install drivers designed for use with 64-bit operating systems for your hardware devices. Driver updates are typically available on a device's manufacturer's website. Updated printer drivers are particularly important when you use XP 64-bit because the printing sub-system in the 64-bit version is different from that in the 32-bit version.
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Determine if 64-bit versions of your software applications are available. You can find information about different software versions on the software publisher's website. You can generally run 32-bit software versions when you are using XP 64-bit but there may be limitations. For example, Microsoft Office 2007, a 32-bit application, will run on XP 62-bit, but has stated limitations on its features.
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Select software applications that support multiprocessing to use on XP 64-bit. Processor-intensive software applications such as data mining and graphics rendering and editing tools perform better in multiprocessing use.
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Review the tutorial presentations and documents on using XP 64-bit that are available on the Windows XP Professional x64 Edition Solution Center website. The site includes articles on topics such as locating compatible printer drivers, determining the proper page file size for XP 64-bit systems and how to handle error messages that result when using 32-bit applications on XP 64-bit.
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