Download Microsoft Security Essentials

Thank You for choosing to download Microsoft Security Essentials. Your download will begin in a moment. If you experience a delay, please click on the link below to begin the download immediately.

http://www.microsoft.com/Security_Essentials/

or click here to download now ?

If you do not have Kaspersky Anti-Virus 2010
installed on your PC, you can download the installation file here:
http://www.kaspersky.com/kav_latest_versions

You can use our step-by-step Installation Guide:
http://support.kaspersky.com/find?faq_id=2354

If you are already using Kaspersky Anti-Virus 2010 Trial Version or are renewing your Kaspersky Anti-Virus 2010 commercial version on your PC, you only need to activate the product with your new ACTIVATION CODE. Re-installation is not necessary.

Please read our step-by-step Activation Guide:
http://support.kaspersky.com/find?faq_id=2317

If you are using versions 6.0/7.0/2009 of Kaspersky Anti-Virus, you can migrate to version 2010:
http://support.kaspersky.com/find?faq_id=2340 and
http://support.kaspersky.com/find?faq_id=2352
We also recommended that you save the activation code to gain free access to our technical support, which is available throughout the validity period of the product license.
We hope you’ll be pleased with your new product and we offer our returning customers a discount on license renewals!