ClamWin是一套功能非常优秀的免费防毒软件。它的体积非常娇小，不会占用太多计算机资源，不像其它防毒软件安装之后会拖累整台计算机的速度。而且除了强大的文件与电子邮件防护能力之外，它还拥有排程扫描、在线更新病毒码、及时侦测等功能，和市面上知名防毒软件比起来一点也不逊色！

ClamWin is a Free Antivirus for Microsoft Windows 98/Me/2000/XP and 2003.

ClamWin Free Antivirus comes with an easy installer and open source code. You may download and use it absolutely free of charge. It features:
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.
The latest version of Clamwin Free Antivirus is 0.90
Please note that ClamWin Free Antivirus does not include an on-access real-time scanner. You need to manually scan a file in order to detect a virus or spyware.

官方网站：http://www.clamwin.com/
下载地址：http://prdownloads.sourceforge.net/clamwin/clamwin-0.90-setup.exe