Looking for a free and open-source anti-virus for windows 10 and windows 11?
ClamWin is a Free Antivirus program for Microsoft Windows 10 / 8 / 7 / Vista / XP / Me / 2000 / 98 and Windows Server 2012, 2008 and 2003.
ClamWin Free Antivirus is used by more than 600,000 users worldwide on a daily basis. It comes with an easy installer and open source code. You may download and use it absolutely free of charge. It
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High detection rates for viruses and spyware;
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Scanning Scheduler;
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Automatic downloads of regularly updated Virus Database.
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Standalone virus scanner and right-click menu integration to Microsoft Windows Explorer;
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Adding to Microsoft Outlook to remove virus-infected attachments automatically.
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.
Download here
Using this while with built-in windows defender will be good enough, The others request additional permissions to access your system and it is closed source as well. If you need more protection, I also recommend Malwarebytes