A copy of McAfee AntiVirus Plus 2013 with a 1-Year Subscription drops from $59.99 to $29.99 with free shipping at Dell.com. As a bonus, you'll get a $40 eGift Card for free, with purchase, making this the best deal we could find for this software by $15. It's compaitble with Windows XP, Vista, 7 and 8 and protects against viruses and malware like trojans, spyware and rootkits. You can install the softwar on up to 3 PCs. Sales tax is charged in most states.