McAfee AntiVirus is an effective solution for protecting your PC from malware. It scans data files stored in system memory and alerts you if anything is wrong. Its firewall blocks potentially unwanted programs. And its real-time scanning tool keeps hackers at bay. It reduces the risk of identity theft and helps you browse the internet in a safe way. Moreover, it also helps you protect your network. It works with XP and all later versions of Windows OS and requires limited resources to operate. Before purchasing its subscription, you can evaluate the free trial for up to 30 days.