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Best 10 Free Antivirus Software in 2024 for Home & Office Use

Are you searching for free antivirus solutions for your small business’s online protection? For protecting the computer from unwanted malware attacks, antivirus software plays an important role. Apart from so many costly paid antivirus software, there are some very effective free solutions also.

Every Windows PC needs a good antivirus program to protect its online identity and personal information. Additionally, these solutions help to keep your PC safe from spyware, Trojans, malware, and more.

Before introducing our list of top free antivirus, let us understand why installing an antivirus is important. Find below a list of the top free antivirus software solutions for small businesses that work great in most operating systems including Windows.

10 Free Antivirus Software

1. Bitdefender

Bitdefender delivers robust security you can rely on. With a global security delivery infrastructure protecting half a billion users, visionary solutions, and a wealth of awards, the company has been a trusted security provider since 2001.

Bitdefender detects, anticipates, and takes action to neutralize even the newest dangers anywhere in the world in as little as 3 seconds. The company has millions of users throughout the globe. If you want to use a free antivirus that is easy to use, then you must consider Bitdefender.

It not only protects from viruses, worms, rootkits, spyware, etc. but also from anti-phishing and anti-fraud to carry security with you when you’re browsing the internet and entering passwords.

2. Avast

Currently, Avast is one of the best free antivirus software available on the market. We like it most and also use it on our machines. Avast protects your computer in two ways. Webcam Shield protects your built-in camera from hidden spies. Ransomware Shield ensures your files cannot be encrypted without your permission, so you don’t get held for ransom.

Additionally, it raises the bar on security with real-time protection, and intelligent threat detection, and adds security for your network, passwords, and browser. Easy to install and use.

If you want a solid program that can block new threats but is still easy enough to customize, you should consider using Avast. Worldwide, millions of people believe Avast is their free online security provider.

3. AVG

This is another great antivirus software you can use to protect your PC. Like Avast, AVG also offers Webcam Protection and Ransomware Protection. These features make sure no one can use your built-in camera or change your files without your permission.

AVG provides effective virus protection for free, and it does so with minimal system impact. And the AVG PC TuneUp makes your PC run faster, smoother, and longer.

In addition to that, you can connect to public Wi-Fi fearlessly with the bank-grade, 256-bit AES encryption. Additionally, AVG’s Business Edition antivirus has all the features your business needs to survive and thrive beyond cyber threats.

4. Avira

Avira Operations GmbH & Co. KG is a German multinational security software company. Avira offers effective protection against malware, including viruses, worms, spyware, and ransomware.

Additionally, Avira can scan and remove existing threats as well as automatically detect and stop new ones. The software automatically repairs, renames, quarantines, deletes or ignores threats when they’re found

5. Adaware

Lavasoft is the company behind Adaware. It can detect and remove malware, spyware, and adware on a user’s computer. It protects your computer from viruses, malware, spyware, phishing, online scams, and hackers.

Automatic definition updates download the latest malware information to ensure your protection against the latest threats. The program checks for new definition files every hour but the frequency can be adjusted to conserve system and network resources.

Additionally, Real-Time Protection works in the background to protect your computer as you work or play, scanning files for potential malicious activities. Built-in smart scan technology checks previously scanned files with less frequency to conserve system resources.

6. Amiti Antivirus

Amiti antivirus is free software released under a GNU General Public License (GPL). It has a user-friendly interface that provides support for skins and multiple languages. Additionally, it protects against viruses, Trojans, worms, and malware.

Furthermore, it has built-in real-time memory shields, scheduling, multiple skins, and translation support. So if you want a free antivirus solution for your Windows-powered machine, you’re well-advised to get Amiti Antivirus.

7. FortiClient

FortiClient is easy-to-use antivirus software. It works fine on Windows, Mac, Android Native, and iOS Native. It is a web filtering, WAN optimization, application firewall, and antivirus/anti-malware functionality for laptops, PCs, and mobile devices. The software is developed by Fortinet, a company that specializes in network security hardware products.

8. Baidu Antivirus

Baidu Antivirus combines local proactive defense features with its powerful cloud engine. Additionally, the software can directly monitor a program’s behavior locally to determine if it is a virus while dynamically identifying and characterizing the code in the cloud to quickly and accurately eradicate it.

Baidu is permanently free and easy-to-use antivirus software that offers proactive defense, file protection, USB protection, download protection, browser protection, and other professional security features. It will protect your PC from viruses, worms, Trojans, and other malware infections. Ultrafast response based on cloud technology provides accurate scan results and real-time protection for your PC.

9. Microsoft Security Essentials (MSE)

If you’re looking to protect a PC with an older version of running Windows 7, you can use Microsoft Security Essentials to provide comprehensive malware protection that will help guard against viruses, spyware, and other malicious software. It provides free real-time protection for your home or small business PCs.

Microsoft Security Essentials is available in many locales and languages. If it is not available in your preferred language, you can install it in any of the other languages, and it will still work to help protect your PC. Windows Defender for Windows 8, Windows RT, Windows 8.1, Windows RT 8.1, and Windows 10 provide built-in protection against malware.

10. Comodo Antivirus

Comodo protects your computer, system files, and absolutely everything. Additionally, protection against losing those important things you want to keep. Also, it protects you when you’re browsing or buying online.

The Comodo antivirus software ensures absolute malware protection, defense plus, Auto-Sandbox technology, cloud-based protection, and host intrusion prevention (HIPS).

Why Do You Need To Install AntiVirus Software?

Firstly, you can protect your computer from virus attacks. There are multiple types of viruses you can find. However, each can have its unique impact on different devices. Most viruses are transmitted via infected emails or when a user enters a corrupt website.

Secondly, a Spyware attack is something that we all face at one time or the other while being online. Generally, spyware steals your online identity and personal information especially when you do any type of online transaction.

Thirdly, Anti-virus protection can also reduce the amount of spam mail you receive. Receiving mail and ads that you are not interested in can be extremely annoying.

Related: Best Free Accounting Software for Small Business

Fourthly, a computer left open for viruses and hackers will often start to show premature signs of wear. In addition to that, you will notice a significant slowdown. And making normal computing tasks take much longer and cause much more hassle.

Finally, if you run the PC without any sort of antivirus program and you get affected, then you need to spend a lot of time detecting and restoring your machine. Hence, it is always advisable to run the computer with effective antivirus software.

Nowadays, our computers and smartphones are the most personal things in our lives. So, you must keep those gadgets personal and save them from online attacks and hackers. We hope this list of the best free antivirus software solutions for small businesses will help you in getting a free version easily.