Best Free Antivirus Software of April 2024
Updated March 29, 2024 at 3:01 pm
According to the Deloitte Center for Controllership, almost 35% of polled executives had their organizations targeted by cyber adversaries. Viruses are alive and well on the web, and it is all too easy to fall victim if you are not armed with the right tools. That is where an antivirus software free download can save the day.
The best antivirus software incorporates the latest software and tools to protect you against not just today’s threats but tomorrow’s, too. Even better, you don’t have to break the bank in order to protect your devices. Whether you have a brand-new device or are just in need of a security update, these are the best antivirus software free for you to use to help keep your data safe.
Methodology To compile this list, we reviewed the top services on the market, compared the specs and features and created a short list of the top Free Antivirus Software. Then, we used product descriptions, reviews, ratings and hands-on experience to find the best Free Antivirus Software for each category.
Our Picks - Best Free Antivirus Software Overall: Avast
- Best Free Antivirus Software for Real-Time Protection: AVG
- Best User-Friendly Free Antivirus Software: Kaspersky
- Best for Malware Removal: Malwarebytes
- Best Performance: Norton
- Best for Remote Management: SOPHOS Home
- Best for Customized Protection: Trend Micro
- Best for Lightweight Security: Webroot
- Best for Windows Users: Windows Microsoft Defender Antivirus
Free Antivirus Software Options
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Firewall?
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Firewall?
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Firewall?
9 Best Free Antivirus Software of 2024
Best Overall
Avast
Vault Verified
Why We Chose It
With over 30 years of cybersecurity experience, Avast earns high scores from independent lab tests. It combines AI cybersecurity with antivirus protection with a truly free download.
Key features:
- 6-layer antivirus security
- Available for PC, Android and iOS
- Chrome and Firefox protection
- Free mobile security
- Data leak alerts
Pros
- Real-time protection
- User-friendly
- Long-standing company
Cons
- Recently fined $16.5 million by the FTC over accusations of selling customer information to third parties
- Must upgrade for advanced features
- Lengthy installation
- Subject to data leak in the past
Best for Real-Time Protection
AVG
Vault Verified
Why We Chose It
AVG offers multi-layered protection that includes both spyware and malware protection for a well-rounded product. It is easy to use, in part due to real-time services that help you stay ahead of the curve.
Key features:
- Real-time updates
- Firewall support
- Phishing protection
- Email Shield
- Windows, Android and iOS
Pros
- 24/7 scans
- Protection against Trojan horse malware
- Email notifications if hacked
Cons
- Not for commercial use
- Mac version available in English only
- Does not protect against phishing sites
Best User-Friendly Free Antivirus Software
Kaspersky
Vault Verified
Why We Chose It
Kaspersky offers a simple user dashboard to keep you in control of your device security, giving you easy access to tools like Stalkerware Detection and anti-ransomware protection. It comes with automatic updates, too, so you know your software is always running at its best.
Key features
- Trojan and ransomware protection
- Stalkerware Detection
- Automatic updates
- Real-time analysis
- Windows, Android and iOS
Pros
- Super-reliable performance
- Free virus scan
- Spanish version available
Cons
- Must upgrade for Mac
- No free firewall protection
- No Safe Web Browsing feature with free plan
Best for Malware Removal
Malwarebytes
Vault Verified
Why We Chose It
As the name suggests, Malwarebytes provides top-tier malware protection, including spyware and virus removal. It is able to detect threats that other services can’t, making it a well-rounded option when you are concerned about malware threats.
Key features
- Spyware and adware protection
- Ransomware protection
- Trojan safeguards
- Business plan available
- Windows, Android, Mac and Chromebook with iPhone Ad Blocker
Pros
- 30-day Premium trial
- Extremely effective at removing malware
- Clean interface
Cons
- No firewall protection
- No real-time protection
- Basic reporting
Best Software Performance
Norton
Vault Verified
Why We Chose It
In addition to its paid plans, Norton allows you to download a host of valuable tools that can make all the difference in your antivirus protection. Try the Norton Power Eraser to scan your device and remove any threats, as well as the Norton Bootable Recovery tool if your device is found to be infected.
Key features
- Norton Power Eraser
- Norton Bootable Recovery Tool
- Complimentary privacy and anti-tracking scans
- Norton 360 for Gamers free trial
- VPN available with paid plans
Pros
- Regular updates
- Choice of free trial
- Free trial for paid plans
Cons
- Must download tools individually
- Can run on the slower side
- Subscription required for best features
Best for Remote Management
SOPHOS Home
Vault Verified
Why We Chose It
SOPHOS Home offers some of its best antivirus software for free, like its HitmanPro – Malware Removal Tool and Sophos Scan & Clean. There is remote management for your devices, too, so you’re never out of touch when there is a threat.
Key features
- Predictive Artificial Intelligence (AI) Threat Detection
- Ransomware and spyware detection
- Banking protection
- Parental Website Filtering
- Real-time alerts
Pros
- Remote management
- Firewall protection
- AI threat detection
Cons
- Linux firewall protection only
- Must subscribe to remove malware
- No VPN option
Best for Customized Protection
Trend Micro
Vault Verified
Why We Chose It
Trend Micro offers a suite of free tools that you can use to create your own custom antivirus software. Take advantage of exclusive tools using Trend Micro’s cloud-based Smart Protection Network and Mobile App Reputation technology.
Key features
- Crypto Ransomware File Decryptor Tool
- HouseCall resolution tool
- HijackThis Open Source Utility
- Social media privacy tools
- Windows, Mac, Android, iOS and Chromebook
Pros
- Mobile security available
- User-friendly tools
- Free Password Manager
Cons
- Tools must be downloaded individually
- No firewall protection
- Can slow computer during scans
Best for Lightweight Security
Webroot
Vault Verified
Why We Chose It
Webroot provides fantastic malware protection with easy online downloads and effective threat removal. If you like it enough to upgrade, there is a 70-day free trial to enjoy before you subscribe.
Key features
- Identity theft protection
- Real-time anti-phishing
- Cloud-based updates
- Webroot Password Manager
- Leading encryption technology
Pros
- Super-fast scans
- Webroot Password Manager
- Quick installation
Cons
- Interface could use some updating
- Basic reporting
- No remote management
Best for Windows Users
Windows Microsoft Defender Antivirus
Vault Verified
Why We Chose It
Windows Microsoft Defender Antivirus comes included with certain Microsoft memberships, making it the best antivirus free software for Windows users. Enjoy multi-faceted malware protection with identity theft monitoring for the whole family.
Key features
- Malware protection
- Phishing protection
- VPN apps
- Microsoft Defender SmartScreen
- Windows Firewall
Pros
- Coverage for the family
- Continuous antivirus and anti-phishing scans
- Identity theft insurance
Cons
- Must have Microsoft 365 membership
- Minimal ransomware protection
- Safe web browsing feature limited to Microsoft browsers
How Free Antivirus Software Works
Before you can find the best free antivirus software, it is first important to understand what it is and how it works.
What Is Antivirus Software?
Antivirus software is a type of security program that works to detect and remove harmful malware from your network and devices. It regularly scans your data to ensure it is not infected with any viruses or malware while helping to prevent identity theft and fraud. It can also scan the dark web to protect your email and provide password encryption for your online accounts. Integrated tools can handle critical tasks for you, like scheduling scans and providing reports on the overall health of your computer. Antivirus software can also help you avoid risky behaviors, like clicking bad links or visiting fraudulent websites.
What’s the Difference Between Free Antivirus Software and Paid-For?
| Antivirus Software Type | Reliability | Update Frequency | System Compatibility | Performance |
| Free | Mediocre performance | May not provide any updates | May be generalized to work with a variety of systems | Basic speeds and resources |
| Paid-For | Advanced protection | Generally includes regular updates | Detailed compatibility to work with your specific devices | Enhanced tools and features |
The best antivirus free software can be a great place to start when you want to protect your devices. Many programs offer malware protection and virus scanning for popular devices. However, you are likely to get more detailed features and tools with a paid version. This can include things like password managers, cloud storage and parental controls. Paid versions tend to offer more frequent updates than free antivirus software, which may not be updated as often as you need, and they can offer more detailed system availability so you can find exactly the right software for your specific device.
If you are looking for a free version to start, our picks for the best free antivirus software programs are a great place to start.
Who Is Antivirus Software Best For?
If you use any type of device with an online connection, you can likely benefit from antivirus software. Even top-of-the-line equipment can suffer from gaps and holes where hackers can worm their way in, harming your computer and stealing your data. Individuals can protect their private and personal information on their computers and phones, while businesses can safeguard not only their internal data but that of their customers. Regardless of whether you use a Mac or PC, you should absolutely consider installing the best antivirus software on your devices.
Types of Free Antivirus Software
- Anti-spyware: Anti-spyware is a type of free antivirus software that specifically targets spyware programs. It uses rules-based methods or is based on downloaded definition files in order to detect and prevent spyware.
- Anti-malware: Malware is a type of malicious software that can be harmful to your devices. Anti-malware software fights against this kind of threat by working to prevent, detect and remove any malware found.
- Network firewalls: A network firewall prevents any unauthorized access to your network. It is a security device that provides an extra layer of protection against any threats hidden within incoming and outgoing traffic.
- Browser security: Web browser security specifically focuses on your internet activity, using tools and technologies to prevent threats from attacking your data. It is able to help block any unauthorized third-party access.
How To Choose a Free Antivirus Software
When choosing the best free antivirus software, there are a few things to keep in mind that can help you find the best program for your needs.
Reliability
It is hardly worth it to have antivirus software if it doesn’t work. The best free antivirus software provides steady reliability to help ensure that you are not subject to false positives or negatives that leave you vulnerable.
Update Frequency
The best free antivirus software has regular updates to provide access to new tools and features. It is critical that you use these updates for the latest tools and technology so you can successfully combat today’s biggest threats.
System Compatibility
Not all antivirus software may work with your devices. Be sure to check the system requirements before choosing the best free antivirus software so you have the right program that will work with your selected device.
Performance
While some antivirus software is suitable for your daily activities, you may need a more advanced program if you run a business or perform heavy-duty tasks that can leave you vulnerable. To find the right support for your needs, confirm that the best free antivirus software program you choose will actually protect against the type of threats that may impact your devices.
Other Free Antivirus Software Alternatives
Avira
Avira is another consideration for the best free antivirus software, offering a lightweight build that improves your devices instead of slowing them down. Enjoy spyware, adware and ransomware blocking with real-time virus scans.
Panda
Panda Free Antivirus offers cloud-based monitoring with real-time updates and scheduled or on-demand scans. If something is wrong, use Panda’s PC recovery system to get things working properly again.
ZoneAlarm
ZoneAlarm offers the best free firewall with two-way protection, blocking malware, viruses and other harmful threats. Users gain access to exclusive features like Wi-Fi PC protection, Early Boot Protection and anti-bot safeguards.
Frequently Asked Questions
What’s the Best Free Antivirus Software for Chromebook?
AVG is the best free antivirus software for Chromebook, offering support for your mobile or desktop device. You still get AVG’s malware protection, plus access to features like App Lock, its Wi-Fi security scan and hack alerts.
What’s the Best Free Antivirus Software for Windows?
Microsoft Defender was made specifically for Windows users and is exclusively available to them, as well, making it the best free antivirus software for Windows. You even get identity theft monitoring to go with your antivirus protection.
Is There a 100% Free Antivirus?
Vault’s picks for the best free antivirus software come without any cost to you. The only exception is Microsoft Defender, which is only free to download after you have purchased a Microsoft subscription.
Is It OK To Download Free Antivirus Software?
Free antivirus software is available in many forms, but it is typically downloaded straight from the internet. However, before you download anything from the internet, be sure to follow safe practices and confirm that it is from a reputable source. A great place to start would be with any of the best free antivirus software providers listed here.
What’s the Safest Free Antivirus Download?
Even free antivirus software can be subject to threats like viruses and malware. It is critical to ensure that you download free antivirus software from one of the best antivirus software providers, like Avast, McAfee or any of the others mentioned here.
Editorial Note: Opinions expressed here are author’s alone, not those of any bank, credit card issuer, hotel, airline or other entity. This content has not been reviewed, approved or otherwise endorsed by any of the entities included within the post. We may earn a commission from partner links on Newsweek, but commissions do not affect our editors’ opinions or evaluations.
