Top 5+ Best Free Antivirus Software For Windows PC

Protecting our computer, smart phone or tablet is always priority, but with an increasing number of kinds of viruses, spyware or other threats, it is alarmed to protect our system, our file and personal data. Nowadays, in just one click and searching in the Internet with key word “antivirus software”, you will see a lot of different options, both free and paid software. However, it seems to us that not all of us can pay for getting one full antivirus software, then Free one is always in our top. Fortunately, in market today, there are many free antivirus programs for your choice.

In our article today, we shall list down, in our opinion, the Top 10 of Best free Antivirus Programs 2017 that you should give a try. Remember, all of them are free, but some of them can be upgrade with professional or PRO version with paying money for more advanced features. Overall, we deemed that Avast Free Antivirus is the best on our top list, so if you need one immediately, we shall suggest and recommend it for you first, but don’t forget to discover other software in here and then chose one of them as your preference.

See more: Best Free and Paid Malware Removal

Best Free Antivirus Software for PC or Laptop

1. Avast Free Antivirus

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Without no word to say about Avast Free Antivirus, it has been considered as the best free Antivirus program in the market nowadays. It has a wide range of prominent functions such as the real-time defense of any system’s file, your email, website and so on. It is not exaggerating to say that Avast is Versatile antivirus which has accessible and wonderful interface. Also, it provides us with some tools and options to customize. Detection of threats and virus is more than great.

In the new version, it is supported with the new smart scan function. What’s more, the speed of scanning process is very quick. You can find and download Avast with Free-charge. Just one big problem we should admit here is Avast will take you up a lot of resource in your system, but it’s not most important, right?

Avast also is considered by us as the best Free Antivirus Software 2016 that we want to suggest all of you to use it. Now, why don’t you download and give it a try?

We have some reviews on pros and cons of Avast Free Antivirus as follows:


  • Completely free
  • Attractive interface
  • Support Windows XP or above, Mac.
  • Scan speed is relatively quick
  • It supports with modern main UI
  • It is very configurable


  • Poor on Virus update
  • Appear too much ad and pop-up
  • Take up resource too much

2. AVG Free Antivirus

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The second name we list down in our top 10 is AVG Free Antivirus. It is worth using for its functions. AVG supports for many platforms from Windows XP or above to Mac platforms and others. Its latest version has many developments on its interface since it has complained that it had a boring and awkward interface. That action proves that developers always catch up with user’s opinion to improve their product.

Speaking of its prominent points, it can be the smallest Software offering antivirus function. AVG supports us to scan and protect website browsers and other network sites such as Facebook, personal blogs… More importantly, it offers free version completely for using without any interruption.

We have some reviews on pros and cons of AVG Antivirus as follows:


  • Totally free
  • Great malware finding
  • Support to scan website and networking site
  • Do not take up many resource in your system


  • May complex interface

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3.  Avira Free Antivirus

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Avira Free Antivirus software is ranked and preferred by many users today. Free Antivirus software is available for Windows, Mac, and even Android. Although it is free software, Free Antivirus software provides us with many great things that can’t find on others antivirus software. Offline mode is supported with smoothly running without any interruption.

Also, it is very light and do not take too much space on your computer. Besides that, you can scan deeply your file any times with the support of its advance scan functions. One thing is that with an add-on, you can protect website and web browsing process safely if you are using Chrome or Opera Browser. However, its appearance seems a bit of boring and too simple, and it doesn’t support email scan.

We have some reviews on pros and cons of Avira Free Antivirus as follows:


  • Free to download and use
  • It is truly light and don’t take many resources
  • Running without any interruption
  • Excellent built-in UI
  • Support for great offline mode
  • Support cloud mode
  • Support for scanning file deeply
  • Can use it on Chrome or Opera Browser with add-on


  • Boring interface
  • Not support to scan email

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4. Panda Cloud Antivirus Free

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Available for Windows and Android, Panda Cloud Antivirus Free is preferred for its lightweight feature, but not light on function. The cloud-based scanner is one outstanding feature of this. Besides, it protects our system against both unknown and known threats. Panda Cloud Antivirus Free do not take up much space, so you won’t worry about how much space to store it in, just download, install and forget about a virus. Last but not least, Panda Cloud Antivirus Free supports to defense our website browsing process and email as well.

In installing process, there are some things to notice is that some steps in this setup process will offer you to install other 3rd party’s program, so you can skip it step. Overall, it can be installed quickly without much time for waiting.
We have some reviews on pros and cons of Panda Cloud Antivirus Free as follows:


  • Free-charge totally
  • Can detect virus and threats effectively
  • Defense effective,
  • Use less memory.
  • Support to protect website, email
  • Great interface
  • Analysis functions are more than good


  • Scan seems a bit of slow
  • Removing this program may become a problem

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5. ZoneAlarm Free Antivirus + Firewall

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One more wonderful software we want to introduce in this article is “ZoneAlarm Free Antivirus + Firewall” – as its name here, ZoneAlarm combines between firewall defense and antivirus protection features. It is widely agreed that there is no one more perfect than all-in-one software like ZoneAlarm Free Antivirus + Firewall. Beyond its functions as virus detection, it offers other functions as firewall protection for example. More importantly, you can download and use it at no cost.
We have some reviews on pros and cons of ZoneAlarm Free Antivirus + Firewall as follows:


  • Completely free
  • Update frequently and automatically
  • Set up scanning schedule by yourself
  • Don’t use much space on your system
  • Quick install process


  • Interface seems too complex with many unnecessary options

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6. Bitdefender Antivirus Free Edition

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One strong rival of other free Antivirus Software should name “BitDefender Free Antivirus” which is available for Windows and Android platform. Some of its prominent features can name is that real-time protection, detecting and controlling active virus, webpages scanning and so on. It offers perfect virus detection along with a choice to scan specific area in your system. However, you may find some issue on installing process, because it may offer you with many third-party programs that is unnecessary and may take up lot space in your system. Also, when choosing setup this software on your system, you should accept some confliction between it and other existing programs.
We have some reviews on pros and cons of Bitdefender Antivirus Free Edition as follows:


  • Totally free
  • Built-in with advanced features
  • Easy to use
  • Quick scanning virus and threats
  • Can chose certain area to scan
  • Perfect virus detection


  • May conflict with other software installed in your system
  • Having some issue with installing process

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7. Microsoft Security Essentials

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As you all know, Microsoft has created and provided users with much useful software such as Microsoft package (Word, Excel, Powerpoint…). And now, we want to present one another program created by Microsoft, which is called “Microsoft Security Essentials.” As its name, Microsoft Security Essentials is must have software on your system to protect them against virus and threats arising anytime. It is very easy to use and control with update frequently. Besides that, Microsoft Security Essentials do not use too much resource of the system, so you can setup this without any worries. The process of installing is also very quickly.

We have some reviews on pros and cons of Microsoft Security Essentials as follows:


  • Completely free software
  • Created and provided by Microsoft
  • Don’t take up many resources
  • Scanning virus effectively
  • Available for most of the platforms
  • Update frequently and automatically


  • Low alarm if having virus and threats appearing

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8. MalwareBytes

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One more excellent choice for you is MalwareBytes. MalwareBytes can detect viruses and other threats in your system in the way of quickly. It operates under Windows platform and supports for both 32 and 64 bit. It supports in multi-languages options for your preference. This interface is reviewed excellent with user-friendly appearance, along with many setting options that organized flexible and efficient. What’s more, it supports users to set up schedule on scanning performance by yourself or automatically.

We have some reviews on pros and cons of MalwareBytes as follows:


  • Totally free
  • Scan quickly
  • Support with new great settings
  • Impressive interface
  • Support for both 32 and 64 bit
  • Scanning schedule is automatic set up
  • Support many languages


  • Bugs may be found in its operation

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9. Comodo Antivirus

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Comodo Antivirus would be excellent free software that we should have in our system. It provides us with a variety of advanced functions. You may use Comodo Antivirus for detecting viruses, spyware or things like quickly and easily. This program does not take our system up too much space to store in, so you won’t worry about it. Moreover, it provides tools for customizing our performance, flexible interface, and many other features. Especially, zero-day protection is supported fully that give us more useful. However, starters may have some difficulties on finding out the way to use and control this program.We have some reviews on pros and cons of Comodo Antivirus as follows:


  • Free-charge totally
  • Many features
  • Providing customization tools
  • Don’t take much resource
  • Support for zero-day protection
  • Best Firewall
  • Wonderful interface with flexible design


  • Beginner may find difficulties to use for the first time
  • Update but too slow.

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10. Qihoo 360 Total Security

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This one is created in China with extremely good functions. Qihoo 360 Total Security is available for Windows, Mac and Android as well. The first and foremost we can see is that it supports to protect our webcam and USB devices, this functions may not be supported by many others program at no cost like Qihoo 360 Total Security. It is small, light software that does not take up too much resource for storing in. The scanning mode and option also show its quickly way and effectiveness. It is considered as one is perfect for online protection, but not for offline protection.

We have some reviews on pros and cons of Qihoo 360 Total Security  as follows:


  • Completely free
  • Light software
  • Smooth running, ad-free installer
  • Scan quickly
  • Wonderful UI
  • Support for protecting webcam and USB devices
  • Online protection perfectly


  • Some tools are not necessary
  • It is not perfect for offline protection

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It should be admitted that free but not means are bad. In practical practice, it is proved that a lot of free software have better features and perform its function better than other paid software. Antivirus Software is not out of this truth.

This Top 10 Best free Antivirus Software is mainly based on our opinion according to testing, reviewing each one in pros and cons. So, if you have any best free antivirus software like this above, feel free to share with us in the comment section below. Thanks for reading!

Top 5+ Best Free Antivirus Software For Windows PC
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