Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software.
Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. It’s easy to tell if your PC is secure — when you’re green, you’re good. It’s that simple.
Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times.
Microsoft expect to make the final release of Windows XP Mode available via the Microsoft Download Center on October 22nd. OEMs will be able to offer Windows XP Mode on their PCs based on their manufacturing schedules.
For more information on Windows XP Mode, including feature highlights and quotes from some of our partners, I recommend reading this blog post.
Windows XP Mode is designed to provide small business and mid-sized businesses running Windows 7 Professional (or higher) the ability to run Windows XP productivity applications that may not be natively compatible with Windows 7. Microsoft expect many Windows XP applications to be compatible Windows 7 however Windows XP Mode is meant to serve as an added safety net so small and mid-sized businesses can migrate and run Windows 7 without any road blocks.



