Malware and hackers are more sophisticated and more dangerous than ever, and it’s up to you to protect yourself.

For Windows PC users, a good antivirus program is a necessity to ward off malware attacks, keep your computer running efficiently, and safeguard your online identity and personal information. Premium antivirus suites have additional features to protect you from malicious Web pages, help you manage security on mobile devices, and monitor your computer’s firewall, software updates and other features.

These 3 top free antivirus utilities can help.