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System Requirements for Norton AntiVirus

Norton AntiVirus removes viruses, worms, and Trojan horses in the background, so you can keep working, knowing your computer is safe.

Operating Systems Supported:

Microsoft Windows XP (32-bit) Home/Professional/Tablet PC/Media Center (32-bit) with Service Pack 2 or later
Microsoft Windows Vista (32-bit and 64-bit) Starter/Home Basic/Home Premium/Business/Ultimate with Service Pack 1 or later
Microsoft Windows 7 (32-bit and 64-bit) Starter/Home Basic/Home Premium/Ultimate

Minimum Hardware Requirements:

300 MHz for Microsoft Windows XP, 1 GHz for Microsoft Windows Vista/Microsoft Windows 7
256 MB of RAM
300 MB of available hard disk space
CD-ROM or DVD drive (if not installing via electronic download)

For additional information, you may want to reference: