Here is a list of 10 best free antivirus software. These let you provide protection to your computer from viruses, malware, spyware, worms, trojans easily. All these antivirus software are completely free and can be downloaded to Windows PC. These free software offer various features, like: scan your computer for viruses, remove viruses, worms, trojans, spyware, malware and internet threats from your PC, protects your computer from viruses, updating virus definitions, protect your computer from rootkits, malware, spyware, adware, worms, trojans,  protects your USB flash drives from virus, remove virus from USB flash drive, blocks the viruses, prevent infections from viruses and worms, virus scanner feature and more.  So, go through this list of free antivirus software and see which ones you like the most.

 Avast Free Antivirus


Avast Free Antivirus includes a DynaGen-powered intelligent antivirus. You can update it in real time. You can fix various problems without uninstalling previous antivirus. It has Remote Assistance also. It has Anti-malware Protection plus anti-spyware & anti-rootkit too. It Protects your PC against the latest viruses and spywares. It has an improved firewall for network or internet protection.

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AVG AntiVirus Free


AVG AntiVirus is a free antivirus that gives you the antivirus protection and various security features. It has a smart scanning technology that reduces scan times. It has privacy features that keep your personal information safe both online and on your PC. It has an integrated File Shredder that permanently deletes sensitive files. It has Anti-Spyware Technology and WiFi Guard also.

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Ad-Aware Free Antivirus +


Ad-Aware Free Antivirus provides core protection against internet threats. It has real-time antivirus and anti-spyware engines, rootkit protection, download protection and web filters for safe browsing. It provides complete anti-malware protection. You can uninstall all third-party toolbars installed in browsers like Chrome, Firefox, IE easily. It is easy to download, install and use.

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Avira Free Antivirus


Avira Free Antivirus is a free antivirus and it eliminates many forms of malware including worms, rootkits, and dialers. It has various features including system scanner that prevents infection from viruses, worms, and Trojans. It blocks new viruses before they run and halts unknown code that looks suspicious.

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Microsoft Security Essentials


Microsoft Security Essentials is a free antivirus software for your PC. This freeware protects your computer against malwares, spywares and viruses through real time protection. It lets you run various types of scans such as Quick scan, Full scan and Custom scan. Microsoft Security Essentials has a new technology called Dynamic signature service which automatically updates when it detects a threat. When the icon of this freeware is green, then your PC is protected. 

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Panda Cloud Antivirus


Panda Cloud Antivirus is a free and handy antivirus software. It is connected to Panda Lab’s online collective intelligence servers in real-time. This freeware is specially developed and designed to protect your computer against the latest malware, spyware and viruses. It updates automatically in the background. It lets you offer quick and custom scan for specific drives, files and folder. Panda Cloud Antivirus gives you a report of threats removed and detected from your PC for: last month, last week, last 24 hours and all. 

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HerdProtect is a free online malware scanner for your computer. It scans for the malicious software in your PC using the search algorithms of 68 popular and effective anti-virus software through the cloud. It basically makes a secure tunnel and connects to the online cloud server to scan each file in your PC and provides you the latest results from different anti-malware software.  

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Kingsoft Antivirus


Kingsoft Antivirus is a free antivirus software having various features such as cloud scanning, system vulnerability detection, virus infection prevention and scanning etc. This freeware will scan different areas of the system for detection of viruses. It will check various parts of the system such as browser plug-ins and add-ons, system services and drivers, currently running processes, startup programs and applications and boot sector of the hard disk. 

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Baidu Antivirus


Baidu Antivirus is a free antivirus application. It includes three antivirus engines: Baidu Cloud, Baidu and Avira. Baidu Antivirus will reduce phishing attacks and various other scams. It provides real-time protection to your computer. Baidu Antivirus updates quickly and provides latest antivirus definitions for your PC. This freeware protects your computer against viruses, Trojans and worms.  

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Bitdefender Antivirus Free Edition


Bitdefender Antivirus Free Edition is a free antivirus software for your computer. Its main features are virus shield and auto scan. It will uses famous Bitdefender technology to protect your PC from viruses, Trojans and worms. It is a lightweight application. Bitdefender Antivirus Free Edition will only scan your PC when the system resources of your PC are ideal.  

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