Best Paid & Free Antivirus For Windows In 2021 – Top Antivirus Software

Cyber Security For Windows For Windows 10 Top 10

When we talk about the must-have tools for your PC, Antivirus is the most essential. In this cybercrime inflated world, staying safe while computing is a concern for all. With viruses, malware, ransomware, other threats encircling us, it is important to safeguard your device in advance with best antivirus for windows PC.

There are various software available in the market which can help you to keep your device secure. However, choosing the perfect antivirus software for a PC could be a challenge. You can always opt for free software but there have limited features than the paid ones.

Confused? Don’t know which antivirus software should you choose? Don’t want to use a hit and trial method to get the best computer virus protection for Windows PC.  In this post, we will talk about antivirus software and which one to get for you on your PC.

One of the best software to protect your computer from viruses, malware and spyware is Systweak antivirus. It secures your computer from online threats and unwanted adware.

List of Contents

Which Is The Best Free Antivirus For Windows In 2021 ?

There are a lot of tools available to protect your Windows computer from malware, viruses, spyware and other online threats. We have listed some of the best antiviruses for Windows PC.

1. Systweak Antivirus

Systweak Antivirus is relatively new in the market of Internet security solutions. However, it does offer comprehensive protection with high usability for both novices & advanced users.

Systweak Antivirus

Features Of Systweak Antivirus 

Real-Time Protection 

It offers advanced protection against new threats & vulnerabilities that might target and exploit your PC. It shows how many real-time infections are detected on the home screen.

Multiple Scan Modes 

The Internet security solution has Quick, Deep & Custom Scanning modes to scan critical areas of system & particular folders comprehensively swiftly.

Robust Protection 

You get malware & exploit protection to keep your system protected against multiple types of infections. It quickly identifies programs that slow down your PC & intervene threats while running unknown files.

User-Friendly Interface 

The Internet security solution has a user-friendly interface with easy to navigate buttons that makes it easy for novices to set up & use the antivirus without any hassles.

2. Microsoft Windows Defender

Windows Defender is a free antivirus software which comes with Windows. It offers protection from viruses, malware and spyware across email, apps, the cloud and the web.

Windows Defender antivirus software 2019

Features Of Microsoft Windows Defender:

Robust Suite:

It provides security features which keep your PC protected from all the malicious activities. It offers the protection your computer, files along with online activities from malware, viruses, spyware and other threats.

Firewall & Network Protection

With Windows Firewall, the tool keeps attacks from hackers and malicious software at bay. It doesn’t allow them to reach out to you via the internet or a network

Windows Defender SmartScreen 2 – App & Browser Control

With Windows Defender SmartScreen 2 inbuilt in Microsoft Edge, it helps you safeguard your computer from malicious downloads and websites.

Family Options

It allows you to protect your family using Windows 10 and Xbox. It can control website access, limit the time of using devices, and keep a check on apps seen or purchased.

Get It Here

Also Read: Anti Malware Software For Windows 10

3. Norton 360 Deluxe

Norton 360 Deluxe is one of the best antiviruses software for Windows which helps to keep your computer protected. With its VPN feature and password manager, it solves other purposes as well.

Norton anti-virus programme

Features Of Norton 360 Deluxe:

Real-Time Protection

The tool comes with advanced PC protection against malware threats. It helps to protect your sensitive and financial information when online.

Dark Web Monitoring

The tool keeps an eye on the dark web and if find identity traces linking back to you, then notify you in order to prevent identity theft.

Password Manager

It allows you to safely create, manage and store your passwords, financial information and other sensitive data

Secure VPN

It also allows you to browse the internet securely with its no-log VPN. With bank-grade encryption, keep your passwords & other credentials protected.

Get It Here

4. Bitdefender Antivirus Free Edition

Bitdefender Antivirus Free Edition is a free antivirus for Windows 10, which fights off the new and emerging threats to keep your system protected.

Bitdefender antivirus

Features Of Bitdefender Antivirus Free Edition:

Virus & Malware Removal:

It scans your system to detect and remove malware, viruses, Trojans, worms ransomware, rootkits zero-day exploits, and spyware.

Easy To Install & Light On Resources:

The tool gets installed on your system in a few seconds and runs fast. It provides powerful protection without hampering your system performance

Real-time Threat Detection

It utilizes behavioural detection techniques to keep an eye on active apps. If anything suspicious comes up it takes immediate action to counter it.

Protects Against Internet Fraud

While online, the tool keeps an eye out for phishing websites disguising to be a genuine one and blocks it to prevent data stealing. With its advanced filtering system, the tool detects a dubious webpage and secures your confidential data.

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5. Avast Free Antivirus

Again another free antivirus for your Windows 10, which protects your computer from ransomware and other malicious activities. With webcam shield it not only stops hackers but also provides protection against spies.

Avast antivirus 2019

Features Of Avast Free Antivirus:

Simple But Smart

It provides real-time protection and comes with powerful threat detection techniques. It adds security to your computer, network, passwords and browsers.

Simple To Use:

The tool comes with an intuitive interface and easy to install and use. Also, it will not hamper your computer’s performance and runs smoothly.

Secures Your Phone as Well

It also provides security on your phone so that you stay secure whether you are making payments, sending emails or deleting data.

Comes With Cybersecurity

The tool works to detect and stop cyber attacks in real-time to avoid damage in the future.

Get it here

Do I Need Antivirus Software On My Windows 10 PC?


With cybercrime on the rise, it is important to strengthen security protocols and safeguard your computer. Using antivirus software is a part of basic security regime. It is important as it keeps you safe while browsing or working on your computer.

Also, you need to make sure that the software that you are installing as real-time protection feature as it helps you stay protected from a new piece of malware. These programs are usually light on system resources and have little or no impact on the performance of your computer.

Even if OS manufacturers are working on making their platforms safe, it is not safe to just rely on your operating system to safeguard your computer, as hackers are also working hard to find the loopholes.

Whether you are surfing the internet or making payments, browsers try to keep themselves updated so that hackers can’t exploit the security loopholes. However, they still find a way to use exploit kits to bombard your browser with malicious content such as ads, with an intention to infect your computer.

Therefore you need an extra layer of protection to ensure that your PC has protection against threats.

What To Look For When Picking An Antivirus Software?

What-To-Look-For-When-Picking-An-Antivirus software

Well, choosing an antivirus for Windows PC can be tricky as you would not to take chances and install software which consumes a lot of system resources and hampers the performance of your computer. Before selecting any of antivirus tool, check these qualities:


An antivirus should scan and detect viruses and offer real-time protection. It needs to detect unknown threats with maximum accuracy. It should protect you from malicious links and keep an eye on app activity on your computer.

Easy To Use & Light On Resources

The interface of your antivirus software should be comprehensible. It should not take up system resources and deter computer performance. You can always check the free version of an app and if you are satisfied with the product, then purchase the paid version to get maximum benefits.


Antivirus software should keep a watchful eye on your PC and stay alert to detect any suspicious behaviour.

What To Do If My Computer Has A Virus?

What To Do If My Computer Has A Virus

If your computer sends you signals which point towards a malware attack, then it is time to act upon. Signals can be pop-ups, system errors and other rare issues. If you are sure that your system is infected then you must follow these steps:

Switch To Safe Mode:

Safe mode is a mode of computer which disables all apps but native, minimizing the impact of the attack. This will also disconnect your PC from the internet. To start your computer in safe mode:

Step 1: Click Power icon on the locked screen and select Restart & press Shift key until you see a  blue screen with three options.

Switch To Safe Mode

Step 2: Click TroubleShoot

Click TroubleShoot

Step 3: Click  Advanced Options-> Startup Settings.

Click TroubleShoot-1

Step 4:  Now under Startup Settings, choose to Enable Safe Mode to start your computer in safe mode.

startup setting

startup setting-1

Step 5: Click Restart and press  either of the keys (F4/F5/F6) to enter Enable Safe Mode.

Remove Temp files:

Once entered Safe mode, you need to run a virus scan using an antivirus program. Meanwhile, you can also delete temp files on your computer to improve the speed of your computer. This will free up disk space and speed up the scanning process. To clear space on your computer, press Windows and R  key together and type cleanmgr, click OK. Once started, you can follow the on-screen instructions to remove temp files.

Now, install an antivirus solution on your PC to deal with the situation. You should never install more than one antivirus on your Windows as they will conflict each other hampering the performance of the tool. Also, the tool must have a real-time protection feature. Once installed, run a scan, identify and remove malware, infectious files, and other malicious content.

What Happens When You Get A Computer Virus?


When your system gets infected, your computer shows you the signs such as it becomes unstable and might crash, reboot automatically, slow down and come up with errors. Whenever an infection is present on your computer, your internet connection might slow down. However, these are not the only issues. Malware could record keystrokes and creates a text log which is sent to hacker from time to time. With the help of the text log, hackers scan and find a password to get access to your computer, bank accounts and more.

Basic Tips To Use AntiVirus Software On Windows Computer

When your computer starts acting in an unstable manner, followed by a sudden crash and errors, then you must scan your computer for malware or other infections. Installing antivirus is one of the best protection tricks that you could follow to keep your computer safe.

Once you have installed antivirus, you need to keep in mind a few things:

  • Keep Your Antivirus up to date so that your computer is always ready for unexpected attacks
  • Make sure you run scheduled scans to monitor the status of your computer’s health.
  • Make sure there is no pending updates for your Windows operating system.

So, with all of this, you should always take a backup of your computer so that you never have to suffer data loss. Keep your data on three separate locations such as an external drive, the Cloud and your computer.

Bonus Tip: Other Best Antivirus Software For Windows Available in Market

1. Kaspersky Anti-Virus

Kespersky antvirus protection software

Developed by Kaspersky Lab, Kaspersky Anti-Virus is another antivirus software on our list of best antivirus software for Windows 10. This tool provides real-time protection using which new viruses, spyware and more are detected when they attack the system. Other than this, the tool also features Proactive detection, hybrid protection, internet safety checker and other features. Kaspersky is a modest antivirus utility that works to remove malicious programs from a system

2. BullGuard Antivirus

BullGuard Antivirus best antivirus utility for windows

BullGuard Antivirus is a decent antivirus software with various features equipped in it. These help to detect malicious files before they happen to take hold of user system. The tool uses behavioral detection, which helps identify viruses before they become part of the virus signature database. Furthermore, the tool also uses abnormal registry, file process, and network events to detect viruses. BullGuard is good at detecting known and unknown malware threats and also has antispam tools and early-detection features. In all, BullGuard helps in protecting systems from all sort of infections. 

Purchase BullGuard Antivirus Here (Up To 60% OFF)

3. 360 Total Security


QIHOO 360 Total security antivirus utility

360 Total Security is another antivirus software on our list of best antivirus software for Windows. 360 Total Security offers protection against viruses, spyware and other new threats discovered in the system. It detects new viruses in the system and provides preventive measures to save from such viruses. Along with this, it also frees up the disk space by cleaning junk. 360 Total Security manages system services and enhances the overall speed of it to shorten the boot time.  

4. Trend Micro Antivirus + Security

Trend Micro Antivirus + Security best antivirus software for windows 10

Trend Micro Antivirus + Security is a modest antivirus software with different scans enabled in it. The software allows users to scan in real-time while having other scan options such as in-depth and custom scan. It also helps prevent identity theft by blocking phishing emails. Additionally, it scans websites to determine if there are any threats present. Furthermore, Trend Micro Antivirus + Security protects the mailbox of users from potential threats. In all, it’s a decent antivirus utility with all basic features, however, there aren’t any exclusive features equipped in the tool.

5. Panda Antivirus

Panda Antivirus best antivirus software for windows 10, 8, 7

Next in the list of top 10 antivirus software is Panda Antivirus. It identifies known and unknown threats to take action against them. It scans internet browsers, instant messages, and files on disk for the identified threats. Users can also opt for computer protection software that records all system events in a log and report. Another great feature of Panda Antivirus lets users create a rescue USB drive to use when a computer is unable to boot because of infections. Panda Antivirus is a safe tool to protect computers from viruses.

6. Norman Antivirus

Norman Antivirus best antivirus software

Norman Antivirus is the next in the list of top 10 antivirus software. Like others, it is a  tool that protects systems against the virus, malware, spyware, etc. This software uses a few methods to detect and neutralize threats that have yet to appear in the threat-signature database. It also works to identify zero-day attacks infecting via infectious files that often contain exploit, such as PDF, Microsoft Office, and Flash. It has a pop-up blocker and scans email and instant messages. Furthermore, the tool has a double layer of protection or detecting spyware and rootkit detection to detect hacker attacks. Other than these, it also has a screensaver that scans malware, while not having a password manager and gamer mode.

7. Webroot Internet Security Plus

Webroot Internet Security Plus best antivirus software

Webroot Internet Security Plus strengthens its protection against malware when users surf websites containing harmful content within them. The tool scans Windows registry, operating system files, and applications to display the list of threats and blocks the detected viruses. Additionally, it has integrated cloud technology to protect user data. Users can also specify time within which the software runs and detects virus and protect them from anti malware for mac or windows. Another important feature it offers is the heuristics analysis technique that ensures no infections are left on a system after scanning. Heuristics analysis technique which analyze file behavior and halts zero-day threat without delay. The software is available in free and pro versions for users to download.

8. eScan Antivirus

eScan Anti Virus antivirus software for windows

Developed by MicroWorld software, eScan protection software for windows 10/8/7 makes computer security easier than it could ever be. This antivirus utility uses its own firewall to monitor inbound and outbound traffic to fight against threats. Further, this antivirus tool has two modes, namely Key Logger and Gamer mode. The keylogger mode fosters security by protecting passwords and other sensitive information against potential risks. On the other hand, Gamer mode gives full advantage of enjoying the games in full-screen without any interruptions. It also offers real-time scanning feature to remove existing threats and whitelisting feature to represent well as well as malicious files. In all, eScan Antivirus is secure antivirus software for you to defend your computer against infections. 

So, this is the list of best antivirus software 2019.  Each one of them has different features with one aim to protect the user’s system from malware and viruses. You need to understand your computer’s needs and choose an anti-virus accordingly to secure your system from all kinds of threats.

What Do You Think?


  • Norton 360 internet security
    I love your Top 10 Antivirus Software it is very helpful for us there the antivirus is very important for our Pc, laptop, mobile. thanks for sharing.

    4 years ago Reply
    • admin
      Glad to know! Thanks!

      4 years ago Reply
  • Edgar
    I think Avast is also a great one. But top10 is good.

    4 years ago Reply

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