Download Microsoft Security Essentials

Microsoft Security Essentials supports Windows 7 and Windows Vista, and is available in many locales and languages. If it is not available in your preferred language, you can install it in any of the other languages listed here, and it will still work to help protect your PC.

To download Microsoft Security Essentials
  1. Choose your preferred locale or language from the list that follows.

  2. Choose your operating system to begin the download process.

    If you need help finding which version of Windows you're running, see Is my PC running the 32-bit or 64-bit version of Windows?

System requirements

Note

Language Native name Windows version
Language

Bulgarian

Native name

Български

Windows version
Download
Language

Chinese (Simplified)

Native name

中文 简体

Windows version
Download
Language

Chinese (Traditional)

Native name

中文 繁體

Windows version
Download
Language

Croatian

Native name

hrvatski

Windows version
Download
Language

Czech

Native name

čeština

Windows version
Download
Language

Danish

Native name

dansk

Windows version
Download
Language

Dutch

Native name

Nederlands

Windows version
Download
Language

English

Native name

English

Windows version
Download
Language

Estonian

Native name

eesti

Windows version
Download
Language

Finnish

Native name

suomi

Windows version
Download
Language

French

Native name

français

Windows version
Download
Language

German

Native name

Deutsch

Windows version
Download
Language

Greek

Native name

Ελληνικά

Windows version
Download
Language

Hungarian

Native name

magyar‫

Windows version
Download
Language

Italian

Native name

italiano‫

Windows version
Download
Language

Japanese

Native name

日本語‫

Windows version
Download
Language

Korean

Native name

한국어‫

Windows version
Download
Language

Latvian

Native name

latviešu

Windows version
Download
Language

Lithuanian

Native name

lietuvių

Windows version
Download
Language

Norwegian (Bokmål)

Native name

norsk (bokmål)

Windows version
Download
Language

Polish

Native name

Polski

Windows version
Download
Language

Portuguese (Brazil)

Native name

Português (Brasil)

Windows version
Download
Language

Portuguese (Portugal)

Native name

Português (Portugal)

Windows version
Download
Language

Romanian

Native name

română

Windows version
Download
Language

Russian

Native name

Русский

Windows version
Download
Language

Serbian (Latin)

Native name

srpski

Windows version
Download
Language

Slovak

Native name

slovenčina

Windows version
Download
Language

Spanish

Native name

Español

Windows version
Download
Language

Swedish

Native name

svenska

Windows version
Download
Language

Thai

Native name

ไทย

Windows version
Download
Language

Turkish

Native name

Türkçe

Windows version
Download
Language

Ukrainian

Native name

Українська

Windows version
Download
Language

Vietnamese

Native name

Tiếng Việt

Windows version
Download

* Internet access fees may apply while downloading.