Microsoft Security Essentials MSE

Antivirus: Microsoft Security Essentials 4 ready for download

Microsoft Security Essentials, the popular free antivirus among PC users, has now been upgraded to version 4.0. This latest release can be installed in Windows 7 PCs and still holds support for Windows XP and Windows Vista users as well.

The MSE 4.0 is ready for download from the Microsoft Download Center web page and from the official site of the antivirus/anti-malware solution.

The Microsoft’s antivirus solution has been in beta since November 2011 and if you’ve been in beta test, you should upgrade to the latest version as Microsoft beta program will end on April 26th 2012.

What’s new?

Version 4 brings a new streamlined user interface; Microsoft renamed SpyNet service to Microsoft Active Protection Services (or MAPS); There is a new Automatic Remediation, which will auto quarantine well-known highly harmful threats without prompting the user to take action, and just various bug fixes to improve usability and performance.

Everyone that has participated in Microsoft Security Essentials 4 beta test should automatically get the new update. If you prefer the manual install or you are running an older version, use links mentioned above to download MSE 4.0.

Oh! Remember that this is a lightweight and basic solution that target to individuals who cannot or will not pay otherwise for an antivirus program. With this Microsoft security software, you don’t have to register or renew anything, but the company only restrict MSE to loyal customers with legit copies of Windows. If you want a more feature-packed antivirus/anti-malware solution, you should look at paid software like: McAfee AntiVirus Plus 2012 — 50% OFF! Final Price: $24.99 Kaspersky Anti-Virus 2012 – 3 Users, or Norton AntiVirus 2012 1 User, which are great antivirus protection solutions.

About the author

Mauro Huculak is a Windows expert and the Editor-in-Chief who started Pureinfotech in 2010 as an independent online publication. He is also been a Windows Central contributor for nearly a decade. Mauro has over 12 years of experience writing comprehensive guides and creating professional videos about Windows, software, and related technologies, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 20 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and