Microsoft Windows Desktop Operating Systems Requirements

Windows Vista Business Upgrade:

• 1.5 GHz, 32-bit or 64-bit processor
• 1 GB system memory
• 128 MB graphics memory
• 40 GB hard drive; 15 GB of available free space needed
• DVD-ROM drive

Windows XP Professional Upgrade:

• PC with 300 MHz or higher processor clock speed recommended; 233 MHz minimum required (single or dual processor system);* Intel Pentium/Celeron family, or AMD K6/Athlon/Duron family, or compatible processor recommended
• 128 MB RAM or above recommended
• 1.5 GB of available hard disk space

Windows 2000 Professional:

• 133 MHz or faster Pentium-compatible CPU
• 64 MB RAM minimum; more memory recommended
• 2 GB hard disk space with a minimum of 650 MB of free space