Download Microsoft Windows Defender and latest definition updates

Windows Defender is free security product for Windows users, developed by Microsoft itself. Defender is bundled together with Windows Vista and in some versions of Windows XP. Personally, I don't use this application myself since i use a different dedicated security product which offers both virus and spyware protection whereas Defender focuses more on spyware. All in all it's a fairly decent security product and there seem to be many people using it.

From developer:

Windows Defender is software that helps protect your computer against pop-ups, slow performance, and security threats caused by spyware and other unwanted software by detecting and removing known spyware from your computer. Windows Defender features Real-Time Protection, a monitoring system that recommends actions against spyware when it's detected, minimizes interruptions, and helps you stay productive.

Features

Spyware detection and removal

• Windows Defender quickly and easily finds spyware and other unwanted programs that can slow down your computer, display annoying pop-up ads, change Internet settings, or use your private information without your consent.
• Windows Defender eliminates detected spyware easily at your direction, and if you inadvertently remove programs that you actually want, it's easy to get them back.
• Windows Defender allows you to schedule your scanning and removal times when it's convenient for you, whether it's on-demand or on a schedule that you set.

Improved Internet browsing safety

• Windows Defender helps stop spyware before it infiltrates your computer. Windows Defender also offers a continuous safeguard designed to target all the ways that spyware can infiltrate your computer.
• Windows Defender works without distracting you. It runs in the background and automatically handles spyware based on preferences that you set. You can use your computer with minimal interruption.

Protection against the latest threats

• A dedicated team of Microsoft researchers continuously searches the Internet to discover new spyware and develop methods to counteract it.
• A voluntary, worldwide network of Windows Defender users helps Microsoft determine which suspicious programs to classify as spyware. Participants help discover new threats quickly and notify Microsoft analysts, so that everyone is better protected. Anyone who uses Windows Defender can join this network and help report potential spyware to Microsoft.
• To help protect your computer from the latest threats, you can choose to have updates that counteract new spyware automatically downloaded to your computer.

Downloads

[Click here] to download Windows Defender 1.1.1593.0 directly from Microsoft Download Center.

Definition Updates

By default, Windows Defender comes with automatic updates enabled. If you have disabled this or if you have a machine that has no connection to the internet, you can always download the latest definitions files from this link.

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