No computer should be without Good Antivirus Software, Free & Open Source that is even better. One nice Portable Antivirus solution is ClamWin Portable. This free open open source virus detection software can run standalone from a USB flash drive, portable hard drive or even a CD. Enabling you to take your virus detection software with you to scan for viruses at any Windows computer.

ClamWin Portable In Action

About ClamWin

ClamWin is a free, open source antivirus program for Windows. Here are some key points about it:

Open Source: It is based on the ClamAV engine, which is an open-source antivirus engine used primarily on Unix based systems. This means that its source code is freely available, and anyone can review or modify it.
Free to Use: It is completely free to download and use. There are no hidden costs or subscription fees.
Regular Updates: Virus definitions are regularly updated to ensure that it can detect and remove the latest threats.
Features:
- On-Demand Scanning: It does not include real-time scanning, but it can scan files and directories on demand or on a scheduled basis.
- Email Scanning: It can scan incoming and outgoing email for viruses.
- Context Menu Integration: Users can scan individual files or folders directly from the Windows Explorer context menu.
- Portable Antivirus: The portable version is stand alone and can be stored and taken with you to be run from a USB flash drive.
Limitations:
- No Real Time Protection: One limitation is that it does not offer real-time scanning. This means it won't automatically scan files as they are accessed or created, potentially leaving your system vulnerable to new threats.
- Manual Updates: While virus definitions are regularly updated, users need to manually ensure that they are running the latest version and definitions.
User Friendly Interface: The interface is straightforward and easy to use, making it accessible even for users who are not tech-savvy.
Community Support: Being an open-source project, it has a community of developers and users who contribute to its development and provide support through forums and other online resources.
Makes for a good option for users looking for a basic, free antivirus solution without real time protection. For comprehensive protection, it is often recommended to use it in conjunction with other security measures and practices.

ClamWin Portable Specs and Download Link

Official Website: Official Home Page
Portable Wrapper: Project Page
Author of the wrapper: John T Haller
Supported Operating Systems: Windows 11, 10, 8, 7, Vista, XP, and all Server editions
License: Open Source GPL (general public license)
Downloading: You can get the standalone version of this popular free Antivirus and Antispyware software here:
ClamWin Portable Download