Microsoft Security Essential

Download Microsoft Security Essentials

Microsoft Security Essentials is available in many locales and languages. To download Microsoft Security Essentials, choose your preferred locale or language from the list below. Next, choose your operating system to begin the download process. If you’re unsure which operating system you have, please visit Microsoft Support.

 DOWNLOAD ACC. TO OS.

Locale or Language ENGLISH

Operating System Windows XP 32-bit Windows Vista/Windows 7 32-bit Windows Vista/Windows 7 64-bit