This article contains best free antivirus software for Windows, Mac and Android. We have covered all the best ones and the free ones, our main criterion for each is protection, performance, and usability.

Windows’s particularly never had a reliable built-in antivirus. Same goes with Mac and Android nowadays. We have made this article extensively to find which of these best free antivirus software can withstand for 2015.

You may have come across various news articles about Malware that aim to make money. They have several ways to make those pennies, like – some steal and sell personal data, or they turn your computer as a bot sending malware to others.

Another type of ransomware attack has now been seen that encrypts all your data, important documents and after the encryption they demand a ransom. So, there are many ways you can lose money, but it is only wise to protect your computer with an best free antivirus that costs you a small fraction. However, today we will be looking out for cost effective; free solutions and few paid ones that has many reviews and authentic tests online.

Best Free Antivirus for Windows

This section contains best free antivirus for Windows 7 and Windows 8. The recently released Windows 10 will be covered in few more months and will be added to this list. So, keep this article in your bookmarks to visit later.

Avast Free Antivirus : avast! antivirus software is available for free and commercial use. It provides complete virus protection for your computer. Antivirus engine is complemented by anti-spyware, firewall and antispam modules to protect you against phishing schemes, identity theft and internet-distributed web viruses. Automatic updates for greater user convenience and safety. My second choice of Free Antivirus Downloads for Windows 7.

AVG Free Antivirus : AVG has been around in the Antivirus market from ages and gained lot of loyal users to their kitty. They also provide upgraded version which is very costly but I believe that their free Antivirus program is great for users having personal computers. AVG user interface is pretty simple and it takes a minute to install on your computer. Fully equipped free antivirus software for Windows 7.

Avira AntiVir Personal : One of the simple to use and light Antivirus software in the market. It works perfectly fine to detect virus, spyware, rootkit threats. The best part of Avira is that it is quiet outstanding in terms of finding malware. Few false positives about Avira is that it does not inlude E-mail scanner in free version, but if you open any infected E-mail, it comes again into action.

Panda Cloud Antivirus : The first free cloud antivirus against viruses, spyware, rootkits and adware. Panda Antivirus Beta3 supports Windows 7 (32 and 64bit). .  The antivirus carries out BackgroundScan by deactivating many unnecessary operations.

Comodo Firewall + Antivirus : Comodo Firewall and Antivirus is now Comodo Internet Security.Comodo Internet Security 4.0 includes a built-in sandbox which combines file system/registry virtualization and least-privileged user account principle in order to combat unknown malware.

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ClamWin Free Antivirus : ClamWin is a Free Antivirus program for Microsoft Windows 7 / Vista / XP / Me / 2000 / 98 and Windows Server 2008 and 2003. It comes with an easy installer and open source code. Please note that ClamWin Free Antivirus does not include an on-access real-time scanner. You need tomanually scan a file in order to detect a virus or spyware.

Free eScan Antivirus Toolkit Utility : eScan Antivirus Toolkit 12.x is compatible with Windows 7 – 32 & 64-bit OS. eScan Antivirus Toolkit is a FREE utility that enables you to scan and clean Viruses, Spyware, Adware and any other Malware that may have infected your computer. The eScan Antivirus Toolkit requires no installation and can be run directly from anywhere, on your computer, USB Drive or from a CD ROM. It can also be run even if you already have other antivirus software installed on your computer.

Microsoft Security Essentials : Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software. Microsoft Security Essentials is a free download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. For more details and how to download MSE, you can check our article totally dedicated on MSE. – The best antivirus for windows 7.

Best Free Antivirus for Mac

The best free antivirus software for Mac are more or less same. Here are those which have been tested by us. Another important tip for downloading these antivirus is to not use App store and download them directly from the Manufacturer’s website or box purchase it from a shop. This is because of restrictions of functions that may be there if you install via Apple’s app store.

Symantec – Also has firewall and a file watcher.

Bitdefender – another trusted name, having tons of features and user interface is quite easy to use. One of the most successful antivirus software on Mac platform.

Kaspersky – Kaspersky has made its mark with unique and fast scanning speed. The robust interface gives user a better feel than any other software in this list.

Avira – One of best software in antivirus business, with all round protection, this antivirus is worth a try.

Avast –Avast is something you might want to use, although it is famous, but it is in the budget. It has some exceptional features that are yet to come in any other competitors software. It functions in almost all the areas like webpages, downloads, Java files, email threads and attachment scanning each system thoroughly and swiftly. The company is working from past 25 years and have a real service, and significant user base. So, it’s reliable and has self-explanatory interfaces for ease of access.

ClamXav – does not slow the machine but has a poor protection rate of less than 40%, which means less malware are detected.

Best Free Antivirus for Android

360 Security (Free) – (Google Play)

Avast! Mobile Security (Google Play)

ESET Mobile Security & Antivirus (Google Play)

Avira Antivirus Security (Google Play)

AVL (Google Play)

Let us know, which free antivirus software you consider to be the best in 2015. We will be updating this post every month with latest updates and test results. So keep coming back for updates and new information on best free antivirus software.


  1. However, Avira Free Antivirus’ sheer effectiveness and good range of features — including a mobile portal and child-safety settings — make it the best choice. While technically not antivirus software itself, Malwarebytes Anti-Malware Free is an excellent complement to any antivirus program.