Antivirus protection is spelled "NOD32." Built on the award-winning ThreatSense® engine, ESET NOD32 Antivirus software proactively detects and eliminates more viruses, trojans, worms, adware, spyware, phishing, rootkits and other Internet threats than any program available.

It's the ideal antivirus for Windows XP, and also runs smoothly on Windows legacy systems, MS-DOS, file servers, mail servers, and more.