v4.9 [Feb 23, 2016] May include unspecified updates, enhancements, or bug fixes.
Protect computer from viruses, ransomware, spyware, and other threats
Windows Defender is a powerful and easy-to-use anti-malware tool
McAfee WebAdvisor protects you from the most common online threats
Monitors hidden software installations
Scans the system for viruses and removes them