Windows 7 consumer security software providers

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The companies listed below provide consumer security software that is compatible with Windows 7. Just click the company name to see the Windows 7-compatible product they offer. For business security software that is compatible with Windows 7, please visit the Windows 7 Compatibility Center or contact your security vendor of choice.
Important: Before you install antivirus software, check to make sure you don't already have an antivirus product on your computer. If you do, be sure to remove the product you don't want before you install the new one. It can cause problems on your computer to have two different antivirus products installed at the same time.
Microsoft is actively working with the partners listed on this page and additional security independent software vendors (ISVs) to provide security software solutions tested on Windows 7.
  • ESET
  • Bit Defender
  • Avast!
  • Gdata
  • Bullguard
  • Kaspersky Lab
  • ca
  • Avira
  • DrWeb
  • UnThreat
  • Ahn Lab
  • F-Secure
  • Comodo
  • AVG
  • Rising
  • Quick Heal
  • PC Tools
  • Microsoft Security Essentials
  • Zone Alarm
  • ESCAN
  • Emsisoft
  • ArcaBit
  • Panda Security
  • Norman
  • Prevx
  • K7 Computing
  • Sunbelt Software
  • McAfee
  • Trend Micro
  • Symantec