Best Free Antivirus Software in June 2022

Are you looking for free antivirus software? Protect your computer and data from viruses with these top-rated, free antivirus programs. We ranked the best free antivirus software that would suit all your wants and needs. Go ahead and download one to finally secure your computer today!

updated May 18, 2022 11:15 AM

12

listed services

31,580

analyzed reviews

3,158

suspicious reviews removed

Service

Price

Multiple Devices

Website Security

Real-Time Protection

Cleanup Tool

Update Manager

1

Avast logo

Avast

Truely score heart icon

5.0/5

3,777 reviews

$7.49

per month, $89.99 per year

Cache Remover

Automatic

3

2

kaspersky logo
Truely score heart icon

4.1/5

279 reviews

$29.99

per year

History Remover

Automatic

4

3

Avira logo
Truely score heart icon

4.0/5

4,028 reviews

$2.03

per month, $72.99 per three years

Cache Remover

Automatic

5

1

Bitdefender logo
Truely score heart icon

3.9/5

4,010 reviews

$2.65

per month, $63.69 per year

History Remover

Automatic

7

5

McAfee logo

McAfee

Truely score heart icon

3.9/5

4,503 reviews

$1.25

per month, $29.99 per two years

History Remover

Automatic

8

TREND MICRO logo
Truely score heart icon

3.7/5

3,959 reviews

$19.95

One-time payment

Cache Remover

Automatic

10

5

TOTALAV logo
Truely score heart icon

3.6/5

4,328 reviews

$1.58

per month, $18.96 per year

Cookies Remover

Automatic

11

2

Comodo logo
Truely score heart icon

3.6/5

4,118 reviews

$29.99

per year

Cache Remover

Automatic

12

1

panda logo

panda

Truely score heart icon

3.6/5

2,463 reviews

$2.19

per month, $26.24 per year

History Remover

Automatic

15

3

TRUST GUARD logo
Truely score heart icon

3.4/5

5 reviews

$49.00

per month

Website Scan

Automatic

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Frequently Asked Questions

Truely is based on AI algorithms that are getting smarter every day.
What is the best free antivirus software?

There are a lot of antivirus software for viruses, but not all will be protecting against what you need it to. It all depends on the kind of virus you're looking to get rid of. The features to have the best free antivirus are:

Standard Features:

1. Protects your computer, tablet, and smartphone from viruses.

2. Scans for malware and other threats to your devices.

3. Keeps you safe when browsing the internet.

4. Monitor all your devices with one account.

5. Scans for threats in real-time.

6. Updates automatically.

Emotional Benefits:

1. Keep all of your data safe.

2. Spend less time worrying about security issues.

What are the methods used by free antivirus software?
Heuristic-based Detection

Heuristic-based detection is a malicious software detector that operates in an automated manner by finding computer viruses based on file characteristics and heuristic rules. It uses signature, behavior, and pattern recognition to detect new malware. Heuristics are the patterns seen when looking at the frequency of specific code instructions with other instructions. These can be any behaviors or artifacts left behind by programs that exploit system vulnerabilities but don't fall into one clear category or seeders and payloads from a trojan horse.

Signature-based Detection

Signature-based detection is a form of malware detection that looks for common attributes among malware. It's called signature-based because the hallmark signatures used by malware identify with this form of protection. These signatures are pieces of code left behind after infection, and it makes it easy to recognize new variants without having to do complex analysis. Recurrent patterns in these code fragments also allow analysts to pinpoint variations that might be experimental or debug builds.

Behavioral Detection

Behavioral detection is a technique used in modern antivirus software to flag malware. It relies on the malware attempting to modify its behavior when it detects that it runs in a sandbox environment. It also depends on analyzing administrative tasks of the operating system and API functions being accessed by certain programs. The anti-malware "agent" will then compare what it detects against its behavioral database of known bad behavior for an automated response when necessary.

Cloud Antivirus Detection

Cloud antivirus requires an internet connection to collect data, which is then transferred to and processed by a cloud server. It generally spares your additional computer processing by running all detection on the server.

Sandbox Detection

Sandbox Detection is a technology that allows for protection against malware using a code simulation to tell if software processes or files are running in safe environments. This technique will scan the application process and compare its behavior to what a sandboxed environment would look like. This enables detection of malicious code on an ongoing basis, bypassing AV systems designed to detect known signatures or byte patterns.

Machine Learning

Machine learning requires internet access to examine application code and assess if a piece of software is harmful or not based on its understanding of malicious and benign programs. It is an artificial intelligence solution that can effectively combat both new and old threats, mainly when used in conjunction with other security protocols.

Is antivirus software compatible with all operating systems?

No, not all antivirus software is compatible with all OS; it depends on the service which OS is designed to only work on the software. Many users of different operating systems such as Mac, Linux, and Windows get stuck in a loop due to the antivirus service providers refusing to develop updates for the products' compatibility with these systems.

How does free antivirus software work?

Free antivirus software makes use of a system's built-in scanner that goes through files that have been saved on the computer and checks them for viruses. It uses cloud computing to turn your computer's unused power into resources. It can be used to catch malware that the regular virus scanning programs might miss. Free antivirus software, combined with automatic updates and a comprehensive backup system, also creates a kind of "immune system" for your PC. It will prevent malicious files from being executed by blocking access or deleting them. However, as with any form of homeopathic treatment, free antivirus software cannot fight every single potential threat or infection. If you come across something unusual or suspicious on your PC, then you should continue using conventional methods to remove it.

What types of malware does free antivirus protect against?

Depending on the service, free antivirus software protects against viruses, trojans, worms, adware, and other digital threats. It detects new variants of malware for your security and protects emerging types of attacks like zero-day exploits. It detects 99% of all viruses and malware so you can surf safely online. Some features protect against data theft or manipulation, such as ransomware, to trick users into paying the hacker ransom fee. It also helps guard your privacy at startup times by controlling cookies and social media tracking codes.

Does free antivirus software expire?

Antivirus software is not a one-time use and does not expire. It is just constantly updating the virus definitions, which should protect your computer for long periods. Free antivirus software will prompt you to upgrade every time, and these upgrades only offer more in-depth protection, not necessarily something the current software doesn't already cover. But if your computer remains idle for too long without a restart, future fixes could be missed because the update files can't reach the system without a reboot.

Which type of keylogger does free antivirus software cannot detect?

Free antivirus software cannot detect hardware keyloggers. Hardware keyloggers have the advantage of being able to log in more than the keystrokes and capture any other data that you input on your computers, such as browsing history and screenshots. It can also capture data from a device's physical memory or virtual memory (RAM). These are the vectors that potentially contain sensitive information for hackers to steal.

Does free antivirus software detect spyware?

Yes, antivirus software can detect spyware by catching transmitted data first and then combining it with a comprehensive scan of the data on your device. Differentiating between spyware and other programs is difficult for antivirus software. Many are used for innocent purposes, even if it is misused to transmit personal information without your knowledge or permission.

How to install free antivirus software?

Having installed free antivirus software on your laptop, PC or smartphone helps you save up money and protect your gadget from viruses and other malware. To install free antivirus software:

Step 1:

Check to see if your computer is compatible.

Step 2:

Download and install the free security software.

Step 3:

Install any necessary updates.

Step 4:

Create a password for the software.

Step 5:

Select the level of protection you want. It is recommended to select a higher level of protection such as "high".

Step 6:

Confirm that your device is on "high" protection to avoid future problems with viruses.

How to disable free antivirus software temporarily?

Disabling antivirus helps you procrastinate less because you don't need to scan any suspicious files, but disabling the antivirus may have been risky. To disable free antivirus software:

Step 1:

Open Control Panel.

Step 2:

Click the "System" icon.

Step 3:

Go to "Hardware and Sound".

Step 4:

Click on Device Manager.

Step 5:

Expand the "Non-Plug and Play Drivers" folder.

Step 6:

Find your antivirus software, right-click it, and select "Disable" (e.g., for Norton AntiVirus).

Step 7:

Select "Yes" to confirm the action.

Step 8:

Repeat steps 6-7 if necessary.

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