Windows 98 486DX 66 megahertz (MHz) or faster processor (Pentium central processing unit recommended). 16 megabytes (MB) of memory (24 MB recommended). A full install of Windows 98 on a FAT32 drive requires 175 MB of free hard disk space, but may range from between 140 MB and 255 MB, VGA or higher resolution (16-bit or 24-bit color SVGA recommended)

Windows me Minimum system requirements: Processor: Pentium 150MHz Hard drive space: 320MB RAM: 32MB Recommended system requirements: Processor: Pentium II 300MHz Hard drive space: 2GB RAM: 64MB

Windows NT Pentium or faster processor 16 megabytes (MB) of memory (RAM); 32 MB recommended 110 MB of available hard disk space CD-ROM drive or access to a CD-ROM over a computer network VGA or higher-resolution display adapter Microsoft Mouse or compatible pointing device

Windows 2000 Professional 133 MHz or more Pentium microprocessor (or equivalent). Windows 2000 Professional supports up to two processors on a single computer. 64 megabytes (MB) of RAM recommended minimum. 32 MB of RAM is the minimum supported. 4 gigabytes (GB) of RAM is the maximum. A 2 GB hard disk that has 650 MB of free space. If you are installing over a network, more free hard disk space is required. VGA or higher-resolution monitor. Keyboard. Mouse or compatible pointing device (optional).

Windows 2000 Server 133-MHz or more Pentium CPU. A maximum of four CPUs per computer are supported. 256 megabytes (MB) of RAM is the recommended minimum. 128 MB is the minimum that is supported. 4 gigabytes (GB) is the maximum that is supported. A hard disk partition that has sufficient free space to accommodate the Setup process. The minimum amount of space that is required will be approximately 1 GB. More space might be needed, depending on the following factors: The more components you want to install, the more space that you must have. The file system that is used: FAT requires 100-200 MB more free disk space than other file systems. The method that is used for installation: if installing from over a network, allow for 100-200 MB more space than if installing from the CD-ROM. (More driver files have to be available during installation over a network.) The size of the paging file. An upgrade could require much more space than a new installation. VGA or higher-resolution monitor. Keyboard. Mouse or other pointing device (optional).

Windows 2000 Advanced Server 133-MHz or more Pentium CPU. A maximum of eight CPUs per computer are supported. 256 megabytes (MB) of RAM is the recommended minimum. 128 MB is the minimum that is supported. 8 gigabytes (GB) is the maximum that is supported. A hard disk partition that has sufficient free space to accommodate the Setup process. The minimum amount of space that is required will be approximately 1 GB. More space might be needed, depending on the following factors: The more components you want to install, the more space that you must have. The file system that is used: FAT requires 100-200 MB more free disk space than other file systems. The method that is used for installation: if installing over a network, allow for 100-200 MB more space than if installing from the CD-ROM. (More driver files have to be available during installation over a network.) The size of the paging file. VGA or higher-resolution monitor. Keyboard. Mouse or other pointing device (optional).

Windows xp home edition Pentium 233-megahertz (MHz) processor or faster (300 MHz is recommended) At least 64 megabytes (MB) of RAM (128 MB is recommended) At least 1.5 gigabytes (GB) of available space on the hard disk CD-ROM or DVD-ROM drive Keyboard and a Microsoft Mouse or some other compatible pointing device Video adapter and monitor with Super VGA (800 x 600)or higher resolution Sound card Speakers or headphones

Windows XP Professional Pentium 233-megahertz (MHz) processor or faster (300 MHz is recommended) At least 64 megabytes (MB) of RAM (128 MB is recommended) At least 1.5 gigabytes (GB) of available space on the hard disk CD-ROM or DVD-ROM drive Keyboard and a Microsoft Mouse or some other compatible pointing device Video adapter and monitor with Super VGA (800 x 600) or higher resolution Sound card Speakers or headphones

Microsoft Windows Server 2003 PC with a 133-MHz processor required; 550-MHz or faster processor recommended; support for up to four processors on one server 128 MB of RAM required; 256 MB or more recommended; 4 GB maximum 1.2 GB for network install; 2.9 GB for CD install CD-ROM or DVD-ROM drive VGA or hardware that supports console redirection required; Super VGA supporting 800 x 600 or higher-resolution monitor recommended

Windows Vista Home Basic 1 GHz 32-bit (x86) or 64-bit (x64) processor 512 MB of system memory 20 GB hard drive with at least 15 GB of available space Support for DirectX 9 graphics and 32 MB of graphics memory DVD-ROM drive Audio Output Internet access (fees may apply)

Windows Vista Home Premium / Business / Ultimate 1 GHz 32-bit (x86) or 64-bit (x64) processor 1 GB of system memory 40 GB hard drive with at least 15 GB of available space Support for DirectX 9 graphics with: WDDM Driver 128 MB of graphics memory (minimum) Pixel Shader 2.0 in hardware 32 bits per pixel DVD-ROM drive Audio Output Internet access (fees may apply)

Windows Server 2008 1GHz (x86 processor) or 1.4GHz (x64 processor) • Recommended: 2GHz or faster Minimum: 512MB RAM • Recommended: 2GB RAM or greater • Maximum (32-bit systems): 4GB (Standard) or 64GB (Enterprise and Datacenter) • Maximum (64-bit systems): 32GB (Standard) or 2TB (Enterprise, Datacenter and Itanium-Based Systems)Available Disk Space• Minimum: 10GB • Recommended: 40GB or greater Note: Computers with more than 16GB of RAM will require more disk space for paging, hibernation, and dump filesDriveDVD-ROM driveDisplay and Peripherals• Super VGA (800 x 600) or higher-resolution monitor • Keyboard • Microsoft Mouse or compatible pointing device

Windows XP Home Edition Windows XP Professional Edition             User management Limited to 2 security levels, no policies Full User Management and Security Policies              Workgroup networking/ Joining domains Limited to Workgroup network (unable to join a domain) Workgroup networking and able to join a Domain                  Security on sharing disks and folders no security, everybody has access to shared data Full security based on User Management Limit of simultaneous file-sharing connections max 5 simultaneous file-sharing connections max 10 simultaneous file-sharing connections

             Security of disks and folders (NTFS drives) limited Security, made difficult to use Full Disk/Folder Security based on User Management Group Policy Editor not included Included Remote Desktop Access not included.                  Backup Program only included via VALUEADD ASR Automatic System Recovery