United States Change

 Microsoft Security Essentials OEM Preinstallation Kit

The OEM Preinstallation Kit (OPK) is a set of tools and documentation to support the configuration and deployment of Microsoft Security Essentials as a preinstalled security solution. By adopting Microsoft Security Essentials, you will provide your customers out-of-the-box quality protection at no cost against malware that includes:

  • Viruses
  • Spyware
  • Trojans
  • Worms

Simplify preinstallation with the Express Deployment Tool

Express Deployment Tool overview

The Express Deployment Tool (EDT) helps to quickly, easily, and correctly preinstall PCs with genuine Windows. The EDT offers these benefits:

Microsoft Security Essentials OPK

For most preinstallation scenarios the Express Deployment Tool is the right choice. However if you want to customise more variables than the EDT allows, you should use the OPK.

Multi-User Interface provides OS language compatibility

The OPK has a Multi-User Interface (MUI) which allows the application to run in the same operating system (OS) language that the user has chosen as part of the Windows set-up Out of Box Experience (OOBE).

OPK deployment guide

This guide, updated for Microsoft Security Essentials Version 2.0 Service Pack 1, contains information and instructions that system builders can use to preinstall Microsoft Security Essentials onto new PCs for distribution to end customers, including:

  • System requirements
  • Supported languages and markets
  • Installation and deployment
  • Known issues and workarounds

OPK download

This release includes a new antimalware protection platform that offers enhanced detection and cleanup capabilities and performance.

Note: Do not install Microsoft Security Essentials on Windows 8, as Windows Defender will automatically provide an industry-accepted level of protection to protect users from viruses and all forms of malware. In addition, OEMs are not licensed to distribute Microsoft Security Essentials with Windows 8.

OPK Languages
Microsoft Security Essentials OPK
.img 147 MB
Bulgarian, Chinese (Simplified), Chinese (Traditional), Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Serbian, Slovakian, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese

Related resources

Promo Zone
OEM software deployment made easy. Get the Express Deployment Tool.