Windows Defender: Software

Windows Defender is a new security technology that helps protect your computer against spyware and other unwanted software.

In addition to Windows Defender, Microsoft offers a broad range of consumer and enterprise anti-malware solutions that provide defense through several services:

The following chart explains how Windows Defender compares with other antispyware and antivirus technologies that Microsoft offers.

Product name and intended users Spyware: Scan and remove Spyware: Helps protect Viruses: Scan and remove Viruses: Helps protect Scheduled scanning provided Provided at no additional cost

Windows Defender  ó Consumers

Check Check



Check Check

Malicious Software Removal Tool







Microsoft Security Essentials  ó Consumers

Check Check Check Check Check Check

Microsoft Forefront Client Security  ó Businesses

Check Check Check Check Check


*Your PC must run genuine Windows to install Microsoft Security Essentials. Learn more about genuine.