Windows Defender Download

Windows Defender is a free program that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software.

    System requirements:
  • Personal computer with an Intel Pentium 233-megahertz (MHz) or higher processor; Pentium III recommended.
  • Operating system: Windows XP Service Pack 2 or later, or Windows Server 2003 Service Pack 1 or later.
  • 64 megabytes (MB) of RAM (minimum); 128 MB RAM (recommended).
  • 20 MB of available hard disk space.
  • Microsoft Internet Explorer 6.0 or later.
  • Internet access with at least a 28.8 Kbps connection.