Additional Information
ClamWin Antivirus is a free and open-source virus scanner for Windows that provides on-demand malware detection, scheduled scans, and automatic updates.
| Version | ClamWin 0.103.2.1 |
| Requirements |
Windows XP/Vista/Windows 7/Windows 8/Windows 10 |
| Updated | January 11, 2026 |
| Author | ClamWin Pty Ltd. |
| Category | Anti-Virus |
| License | Open Source |
| Language | English |
| Download | 349 |
Overview
ClamWin Antivirus is a free and open-source antivirus program designed for Windows users who want a simple and transparent way to scan their computer for malware. It is built on the trusted ClamAV engine and focuses on reliable virus detection without hidden costs or locked features.
Instead of running constantly in the background, ClamWin works as an on-demand scanner. This means users have full control over when and how their system is checked, making it ideal for people who prefer lightweight security tools.
What is ClamWin Antivirus?
ClamWin is a desktop antivirus application that lets users manually scan files, folders, and drives for viruses, spyware, and other harmful software. It also supports automatic virus definition updates, ensuring that the malware database stays current.
Because the software is open-source, its code is publicly available. This allows security experts and developers to review how it works, increasing transparency and trust.
Main Features
Strong malware detection
ClamWin uses the ClamAV scanning engine, which is well known for its ability to detect a wide range of viruses, trojans, and spyware.
Scheduled scanning
You can set up automatic scans at specific times, allowing the software to check your PC even when you are not actively using it.
Automatic updates
The virus database is updated regularly to keep up with new threats, helping protect your system from the latest malware.
Windows Explorer integration
You can right-click any file or folder in Windows and scan it instantly with ClamWin.
Email protection
An optional Outlook add-in automatically removes infected attachments, adding an extra layer of safety when handling email.
What ClamWin does not do
ClamWin does not provide real-time protection. It does not constantly monitor files as they are opened or downloaded. Instead, users must run scans manually or on a schedule. This makes it lighter on system resources, but it also means users must stay aware of what they download and open.
Who should use ClamWin?
ClamWin is a good choice for:
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Users who want a free antivirus with no hidden costs
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People who prefer open-source software
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PCs that need a lightweight malware scanner
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Users who already follow safe browsing habits
It can also work as a second-opinion scanner alongside another antivirus program.
Conclusion
ClamWin Antivirus offers a clean, free, and transparent way to protect Windows systems from malware. While it does not provide real-time protection, it delivers reliable scanning, frequent updates, and a user-friendly interface.
For users who want a no-cost antivirus that respects system performance and privacy, ClamWin remains a solid choice.
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