Know your gear
Formerly known as Windows Defender, Microsoft Defender Antivirus still delivers the comprehensive, ongoing, and real-time protection you expect against software threats like viruses, malware, and spyware across email, apps, the cloud, and the web.
Enhance your purchase
Contact Sales Assistance
(800) 800-4239, Monday-Friday 7am-7:30pm CT
(800) 800-4239, Monday-Friday 7am-7:30pm CT