ClamWin is a Free Antivirus program mainly designed for Microsoft Windows 98/Me/2000/XP/2003 and Vista. ClamWin Free Antivirus comprises with an easy installer and open source code. You could also download it as well as make use of it totally free of charge. It features include:

• High detection rates for viruses and spyware;
• Scanning Scheduler;
• Automatic downloads of regularly updated Virus Database;
• Standalone virus scanner and right-click menu integration to Microsoft Windows Explorer;
• Addin to Microsoft Outlook to remove virus-infected attachments automatically.

Note: ClamWin Free Antivirus does not comprise of an on-access real-time scanner. You require to do it manually for scanning of a particular file in order to detect a virus or spyware.