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This in-depth review of the top free Antivirus Software compares their features and pricing so you can choose the Best Antivirus Software for Windows & Mac. The top 10 best free antivirus programs for Windows 7, 8, and 10. Choose the right antivirus software for 2021 & protect yourself from malware & other threats. Download Best Free Working Antivirus for 2020 100% Free for Windows. Download Best Free Antivirus - Antivirus plays a major role in cyber security.

Download Best Free Antivirus: Antivirus plays a major role in cyber security, spyware, malware and unwanted junk, especially on Windows operating system. Windows PC users need a strong antivirus program to ward off malware attacks, to keep their computers running efficiently and to safeguard their online identities and personal information.

This article written solely with the aim of solving the Cyber space security challenge. Below is the comprehensive list of the top recommended best free working anti-virus for your personal windows operating system computer that have been tried, tested and verified as 100% legitimate.

External antivirus software has proven itself more effective than the standard OS security tools. Check Top 8 of the best free antivirus software in 2021. These are the best free antivirus software programs for Windows that protect against spyware, Trojans, keyloggers, viruses, malicious URLs, and more.

Trust us… It’s our aim to solve your problem.

1. Total AV Antivirus

Download Best Free Antivirus for Windows PC 2019

Total AV Antivirus (see user reviews) is a free antivirus that does its job at the basic level – getting rid of malware and improving the performance of your computer. While the free version may be limited, scans are fast and reliable and there are several handy tools designed to declutter your computer so that it runs better.

Features:

Phishing protection
Disk cleaner and system boost
Browser manager
Safe Site browser extension for Chrome and Edge

Core fact about software:

Compatible with Windows, Android and Mac devices
Finds and removes duplicate files
Very fast/no impact on performance
Detected 89 percent of verified phishing samples

Common errors you might observe:

Lacks real-time malware protection
Several false positives
Bonus features require upgrading or paying
No control over the weekly scan, and no daily scan option

4 Reasons to go for the paid version:

Advanced ransomware protection
Extra features like a password vault, web shield, Smartphone optimizer and remote firewall
24/7 technical support
30-day money back guarantee

Recommended for:

Total AV Antivirus is a decent antivirus if you’re just looking for quick protection, but if you’re looking for more advanced features such as a remote firewall or password vault, you’re probably better off upgrading to one of the premium versions – the 30-day money back guarantee means you can try before you buy.

2. Avira Free Antivirus

Avira (see user reviews) was greatly improved after its 2018 redesign. It now offers much less impact on system performance while running, and it comes with a cleaner, more user-friendly interface.

What sets it apart is its comprehensive range of protection against anything from malicious viruses to the most dangerous Trojans. Plus, its heuristic engine allows it to detect zero-day viruses (unknown threats) really well – a feature not commonly found with free antivirus software.

This well-rounded and versatile antivirus also comes packed with many extra features to sweeten the deal.

Features:

Ransomware detection
Phishing protection
A password manager
Free Avira Phantom VPN (1GB/month)
Browser tracking blocker
Secure search engine
Avira Safe Shopping tool
Avira Privacy Pal (personal assistant to safeguard your privacy)

Core fact about software:

Compatible with Windows 7, 8, 10, Vista, and XP, as well as Mac OSX
Lots of customization and new features
Protects from viruses as well as malware (excellent virus detection rating, proven to remove 99.7% of threats according to antivirus tests)
Accurate detection with few false positives (virus definitions are constantly updated)
Low system impact

Common errors you might observe:

No business option (only for home use)
Constant pop-ups and ads for other Avira products
Wants to install a toolbar on setup

5 reasons to go for the paid version:

Unlimited VPN surfing
Automatic software updates
System optimization tools
Premium mobile apps
VIP customer support

Recommended for:

The new and improved Avira free antivirus is a fantastic all-in-one solution due to its long list of advanced features you usually don’t get with free software. However, it does come with ads and pop-ups so for a long term solution, you may find the paid version less intrusive.

3. Avast Free Antivirus

Avast (see user reviews) is one of the easiest antivirus softwares to use, and one of the few programs to offer solid protection against zero-day attacks – new unknown threats that antivirus programs haven’t been programmed to catch yet. Impressively, Avast managed to protect against 100% of all zero-day attacks in a recent test.

Ever since Avast merged with AVG Antivirus to provide a more robust solution, they have been offering exceptionally comprehensive anti-malware and virus protection with a host of useful features that are usually only available through paid services.

Features:

A password manager
An anti-malware network scanner
A gaming mode that disables notifications and reduces system load when gaming
Behavior analysis technology and customization

Core fact about software:

Compatible with a host of platforms, including Windows 7, 8, 8.1, and 10 as well as Windows Vista and XP SP3. It also runs on Mac and Android devices
Strong zero-day malware protection
User-friendly interface
Low system impact (runs without slowing down the machine)

Common errors you might observe:

Constant ads and pop-up notifications
Limited password manager features (it doesn’t have a password reset or multifactor authentication)
Slower launch time of other software while Avast was running
Lack of privacy options or ransomware protection
Average anti-phishing protection, so precaution is needed

7 reasons to go for the paid version:

A browser extension for phishing protection
Spam filters
A firewall
Ransomware protection
Automatic software updating
A permanent file shredder
Protection for more devices

Recommended for:

Avast is the best choice for gamers in particular because it not only offers a dedicated gaming mode but also provides a free Trojan remover tool that’s great if you’re constantly downloading files and games.

Still, even non-gamers will appreciate the top-of-the-line zero-day attack protection and extra features over and above what’s offered with other free antivirus programs. For those who want to avoid annoying pop-ups and ads, we’d suggest going for the premier version as a more suitable long term solution.

4. Bitdefender Antivirus Free Edition

Download Best Free Antivirus for Windows PC 2019

One of the most highly recommended free antivirus softwares is Bitdefender (see user reviews), and it’s also one of the fastest free scanning antivirus programs available, with minimal impact on your computer’s performance. It consistently ranks at the top of various antivirus tests.

While the free version doesn’t offer all the bells and whistles that paid versions do, Bitdefender Free covers the basics exceptionally well.

Features:

Phishing protection
Automatic scanning
Behavior-based malware detection (i.e. analyzing a process’s potential activity before it does anything)
Safe File digital vault, which encrypts any files you want to keep safe and prevents any changes

Core fact about software:

Compatible with Windows 7 SP1, 8, 8.1 and 10
Fast scanning
Very easy to use
Excellent accuracy in detecting viruses (and viruses’ definitions are constantly updated in the background)
Low system impact (doesn’t slow down your computer while its running)

Common errors you might observe:

Not many advanced options
Slow initial scan
Cannot schedule or customize scans
No business option (can be used at home only)
Zero-day attack protection is below average (protects against known threats, but new and unknown threats are still a risk)

7 Reasons to go for the paid version:

Online banking protection
Permanent file shredder
A password manager
24/7 technical support with FREE phone calls
Advanced ransomware protection
A firewall
Parental control tools

Recommended for:

Bitdefender is a strong contender for users who just want an install-and-go antivirus. Its a powerful antivirus that runs on autopilot for the most part requiring little user intervention and adding very little extra “bloatware”.

5. AVG Antivirus Free

AVG Technologies (see user reviews) is one of the biggest names in the antivirus industry and we love it because it runs constantly in the background without you having to do anything.

As we mentioned above, AVG’s company recently merged with the developers of Avast. However, while both programs benefited from the collaboration, it seems AVG has gotten the shorter end of the stick. While it’s still a solid antivirus, AVG is much more like a “little brother” when compared to Avast.

However, it’s possible the company may consider combining AVG and Avast in a package deal at some point, which will offer the very best of both.

Features:

System optimization tools
Blocks unsafe links and downloads
Real-time security updates
Spam and email filter (scans your incoming emails for threats)

Core fact about software:

Compatible with Windows 7 SP1, 8/8.1, 10, Vista SP2, XP SP3 (other free versions available for Mac and Android)
Excellent anti-malware performance similar to Avast
Easy to customize and configure
Little system impact (plus option to scan for PC performance problems)
Specific detection (warning messages name the exact threat)

Common errors you might observe:

Fewer useful features than Avast, such as no browser extension (uses pop-up notifications instead)
Constantly advertises the paid version alongside other unrelated features
Slow scanning (slows computer down more than other antivirus programs we tested)
Average phishing protection
Some quarantined threats weren’t permanently deleted from the system (risk of reinfection)

4 Reasons to go for the paid version:

Additional ransomware protection
Webcam protection
AntiVirus PRO for Android™
An enhanced firewall

Recommended for:

AVG is best suited to users who want a silent and subtle antivirus without many frills. The program runs transparently in the background with little effect on system performance. If your job requires that you open various email attachments, the email attachment scanner will help immensely.

Overall, AVG is a good solution for those just looking for basic malware protection without the need for advanced features, or anyone wishing to use it as a second layer of defense on top of an existing antivirus (AVG’s passive mode allows it to run in the background in tandem with other antivirus programs).

6. ZoneAlarm Free Antivirus

Download Best Free Antivirus for Windows PC 2019

ZoneAlarm (see user reviews) is considered the best free antivirus for web surfers, as many of its features are geared towards online protection. While it doesn’t come with its own antivirus (it uses the standard Kaspersky engine), it comes with a solid built-in firewall that’s easy to install and configure.

Features:

Anti-malware scanner
Built-in personal firewall
Identity protection
Online file backups
Web security and built-in privacy toolbar

Core fact about software:

Compatible with Windows 7, 8, 8.1 and 10
One of the best firewalls we tested
Excellent performance as an antivirus
Easy to use user interface
Automatic real-time security updates
Ability to schedule scans

Common errors you might observe:

The installation attempted to install some Yahoo bloatware that we had to remove
Makes automatic browser changes and installs a toolbar (but there is an option to skip this)
Installation is rather slow
No customized scan from the interface
Pop-up notifications every time something is blocked
Uses a lot of system memory to run

5 Reasons to go for the paid version:

Strong email and web browsing protection
File scanning
Two-way firewall
Real-time cloud security
Chrome anti-phishing extension

Recommended for:

ZoneAlarm works well overall, but comes with a lot of extra features we felt were unnecessary. We would have rated it a rather unexceptional antivirus, had it not been for its truly elegant firewall protection.

If you browse the web a lot and worry about your safety, ZoneAlarm is your answer, but if not, its probably best just going with Kaspersky or another free antivirus to begin with.

7. Kaspersky Free

Despite Kaspersky (see user reviews) being one of the most well-recognized AV brands on the market, we can no longer recommend their products in good conscience due to speculation that their developers having been aiding state-sponsored hackers in Russian.

Kaspersky has already been banned by the US government, and there is mounting evidence that they have been data mining consumer information and sending it to The Kremlin, thereby making it spyware.

Features:

System optimization tools
Blocks unsafe links and downloads
Real-time security updates
Spam and email filter (scans your incoming emails for threats)

Core fact about software:

Compatible with Windows 7 SP1, 8/8.1, 10, Vista SP2, XP SP3 (other free versions available for Mac and Android)
Excellent anti-malware performance similar to Avast
Easy to customize and configure
Little system impact (plus option to scan for PC performance problems)
Specific detection (warning messages name the exact threat)

Common errors you might observe:

Fewer useful features than Avast, such as no browser extension (uses pop-up notifications instead)
Constantly advertises the paid version alongside other unrelated features
Slow scanning (slows computer down more than other antivirus programs we tested)
Average phishing protection
Some quarantined threats weren’t permanently deleted from the system (risk of reinfection)

4 Reasons to go for the paid version:

Additional ransomware protection
Webcam protection
AntiVirus PRO for Android™
An enhanced firewall

Recommended for:

8. Sophos Home Free

Download Best Free Antivirus for Windows PC 2019

Sophos (see user reviews) is unique since it’s optimized for multiple machines and runs using cloud-based protection, keeping system slowdown to a minimum. As a result, it works well for families who need protection across several computers.

Features:

Real-time protection
Phishing protection
Parental controls
Protect up to 3 PCs
Remote management

Core fact about software:

Compatible with both Windows, including 7, 8, 8.1 and 10, and Mac OSX, Linux, Android and iOS
Simple and easy to use
Great network, server and end-user protection
Few pop-up notifications
Low system impact
Includes a 30 day free trial of the premium version

Common errors you might observe:

Doesn’t support older Windows XP or Vista machines
No feature to schedule scans
Few options for more advanced users

5 Reasons to go for the paid version:

Advanced ransomware protection
Protection for 10 plus PCs
Banking protection
Advanced malware removal
Web and email filtering

Recommended for:

Sophos is a great family antivirus as it protects up to three devices. Homes with several computers and children will benefit from Sophos’s parental controls and multi-PC protection.

9. Adaware AntiVirus Free

Adaware (see user reviews)is actually rebranded from a previous version. However, certain features were cut out from the change, such as URL and email protection.

Despite these shortcomings, this ‘new and improved’ antivirus is still a viable option for certain niche users like gamers. It uses Bitdefender’s excellent anti-malware engine as well as its own pretty good anti-spyware for well-rounded protection.

Features:

Behavioral analysis
Download protection
A gaming mode

Core fact about software:

Compatible with Windows 7, 8, 8.1 and 10
Real-time protection
The program can be installed and run alongside other protection tools
Low system impact (requires little CPU usage to run)
Silent mode for gaming and watching movies
Easy to use interface
Ability to run scheduled scans

Common errors you might observe:

Malicious URL protection from the previous version is no longer offered
Limited behavioral monitoring
Long installation process
No email protection
Lots of ads
Free registration required every year otherwise it expires

4 Reasons to go for the paid version:

24/7 technical support
Web protection, especially for shopping and banking
A firewall
Email and network defense

Recommended for:

Adaware works well for gamers who want an extra set of antivirus tools to combine with an existing antivirus. Users outside of this niche are advised to choose other, better options like Avast or AVG.

10. Windows Defender

Download Best Free Antivirus for Windows PC 2019

Microsoft’s premier pre-installed Windows Defender (see user reviews) started off as a sub-par but free solution in the early years. However, recent versions for Windows 8.1 and 10 have improved greatly to the point where Defender can stand on its own as a decent antivirus. It’s also completely free, with no paid version on the market.

Features:

Basic antivirus, anti-malware, and anti-spyware protection
Automatic scanning
Browser-based protection (but only for Microsoft browsers)

Core fact about software:

Compatible with Windows 8, 8.1 and 10 (Microsoft Security Essentials for Windows 7, XP and Vista)
Comes free and pre-installed with Windows
Works well in combination with other antivirus programs
Generally low system performance impact

Common errors you might observe:

High number of false positives
Full scans impact system performance greatly
No browser protection for non-Microsoft browsers
Very basic with few extra features

Recommended for:

Download A Free Antivirus

Defender is actually a solid basic option for Windows, especially if you combine it with another antivirus like Malwarebytes.

However, if your computer is running Windows 7, Vista, or XP, Windows Defender will only remove spyware. To get rid of viruses and other malware, including spyware, on older versions like Windows 7, Windows Vista, and Windows XP, you can download Microsoft Security Essentials for free.

CSN Team.

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