Thank you for downloading

Windows Defender

Download for Windows 32-bit

Download for Windows 64-bit

Developed by Microsoft

Your download will begin in 3 seconds. Click here if it doesn't start automatically.

Related downloads

Developed by iolo technologies

Developed by Prolific Publishing, Inc.

Avira Antivirus Pro

Developed by Avira Holding GmbH & Co. KG

eScan Anti-Virus

Developed by MicroWorld Technologies Inc.

Developed by Karoly Pados

CNET TechTracker

Developed by CBS Interactive Inc

Top 10 PC Protection Tools Top 10 Personal Security Software Top 10 Firewalls

Latest downloads

Developed by Squirrels, LLC

Find MAC Address

Developed by LizardSystems

Corel Painter Essentials

Developed by Corel Corporation

Developed by Proland Software

Contacts Manager

Developed by Rick Betting