Windows XP - System Requirements

System Requirements

System requirements for Windows XP Home Edition and Professional are as follows:

	Minimum	Recommended
Processor	233 MHz	At least 300 MHz
Memory	64 MB of RAM	At least 128 MB of RAM
Video adapter and monitor	Super VGA (800 x 600) or higher resolution
Hard drive disk free space	1.5 GB or higher additional 661 MB for Service Pack 1 and 1a additional 1.8 GB for Service Pack 2 and additional 900 MB for Service Pack 3
Optical drive	CD-ROM drive (Only to install from CD-ROM media)
Input devices	Keyboard, Microsoft Mouse or a compatible pointing device
Sound	Sound card and Speakers or headphones
^1 Even though this is Microsoft's stated minimum processor speed for Windows XP, it is possible to install and run the operating system on early IA-32 processors such as a P5 Pentium without MMX instructions. Windows XP is not compatible with processors older than Pentium (such as 486) because it requires CMPXCHG8B instructions. ^2 A Microsoft TechNet paper from Summer 2001 (before Windows XP's actual release), states that: "A computer with 64 MB of RAM will have sufficient resources to run Windows XP and a few applications with moderate memory requirements." (Emphasis added.) These were said to be office productivity applications, e-mail programs, and web browsers (of the time). With such a configuration, user interface enhancements and fast user switching are turned off by default. For comparable workloads, 64 MB of RAM was then regarded as providing an equal or better user experience on Windows XP with similar settings than it would with Windows Me on the same hardware. In a later section of the paper, superior performance over Windows Me was noted with 128 MB of RAM or more, and with computers that exceed the minimum hardware requirements.

System requirements for Windows XP Professional x64 Edition are as follows:

Processor: x86-64 processor;
Memory: At least 256 MB of RAM;
Video adapter and monitor: Super VGA (800 x 600) or higher resolution;
Hard drive disk free space: At least 1.5 GB;
Optical drive: CD-ROM drive;
Input devices: Keyboard; Microsoft Mouse or compatible pointing device;
Sound: Sound card; Speakers or headphones;
Drivers for sound card, GPU of video card, wired LAN card, etc. must be designed for Windows XP Professional x64 Edition.

System requirements for Windows XP 64-Bit Edition are as follows:

Processor: Intel Itanium 733 MHz (Recommended: Intel Itanium 800 MHz or better);
Memory: At least 1 GB of RAM;
Video adapter and monitor: Super VGA (800 x 600) or higher resolution;
Hard drive disk free space: At least 6 GB;
Optical drive: CD-ROM drive;
Input devices: Keyboard; Microsoft Mouse or compatible pointing device;
Sound: Sound card; Speakers or headphones;
Drivers for sound card, GPU of video card, wired LAN card, etc. must be designed for Windows XP 64-Bit Edition.

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