Best Free Antivirus Software of 2025: Protect your PC from Malware

Are your files getting infected by dangerous malwares?

In that case you came to the right place. Here, you will find the best antivirus tools to scan and detect the malware on your pc/laptop in minutes, allowing you fix them all at once.

You are probably wondering about malware and have many questions like, What is malware? where they come from? By the end of this article, you will know how to protect your pc from it. Let’s learn how protect your PC from it..

Types is Malware That You Need to Know

Malware refers to software developed to attack your pc/laptop to steal your data, credit/debit card information, using your pc/laptop to do cyber criminal activities. There are different types of malwares that hackers use to hack your system and spy on you. Such as:

Viruses

The most common malicious tool that work as biological virus. It has ability to spread  dangerous bacteria to infect the files. It is use to corrupt the files and programs. Viruses need a carrier like an executable file, and once user open the infected file, it will not stopping attack your pc/laptop until you delete the executable file from your system. 

Worms 

They are totally different from viruses, they don’t need user to perform action. Worms also have ability to replicate and perform high level attacks. They usually attacks to exploit vulnerabilities to pc/laptop. They can transfer from pc to pc and use system’s resources to make it slow and non responding. Worms also have ability to replicate and perform attacks on high level.

Trojans Horses 

A malware that will trick users to install or download it. It will act as normal file or a program that will use to install trojans to pc/laptop. Once it activated, trojans will allow cyber criminals to spy on user’s pc/laptop and give access remotely to steal sensitive information and destroy the system. 

Ransomwares

The malware that will remove user access to open files or pc/laptop. Once user installed it without knowing, it will start the process of  encrypting the files and after the completion, hackers display a ransom message to pay some money or do something to gain access again to their system.

Spywares

It is designed to secretly monitor the user’s system without their knowledge. It can track PC/laptop activities, collect personal and confidential data, and even monitor keystrokes such as credit/debit card pins, passcodes, and other sensitive information. If the spyware activated, it will be very difficult to detect and remove it from pc/laptop.

Protect PC from Malwares

There are many different types of malwares that will attack your pc and infect your system. In order to defend from the malware attacks and protect form them, you need to install an antivirus in your pc/laptop. Now its time to discover the best antivirus software’s to defend and protect the system from malwares.

Top 3 Antivirus Software’s of 2025

Avast Antivirus

This free cybersecurity software protects your system from malware that can harm the PC/laptop. It runs daily scans, secures files from threats, and diagnoses the system to identify vulnerabilities. The software alerts the user to uninstall programs or remove files that could affect the PC. In the free version of Avast, there are a few security actions that can be performed to secure the PC/laptop:”

• Protection from Malwares: It will scan your system to detect malwares like viruses, ransoms and other malicious threats in real time and protect from them.
• Wi-Fi Security: It will perform scans on your network to find weaknesses and stop intruders to use it to attract on the pc/laptop.
• Ransome Security: It will provide security to user access the system and protect personal data to stop encryption from the hackers.

AVG Antivirus

This free antivirus tool enhances PC/laptop performance, ensuring it runs faster and smoother while protecting the system. It can perform daily scans, defend against hacker attacks, secure user privacy, safeguard payment details, and protect passkeys. It also enables safe web browsing and shields the system from infected emails used to transfer Malwarebytes to the PC/laptop. The free version provides protection from:

• Malwares: It can block viruses, ransom, spyware, and other malwares to protect your system.
• Protection: It can protect from unsafe links, emails, downloads and attachments that can use by hackers to attack on pc/laptop.
• Boost Performance: It can maximum the performance rate to run the system programs fast and very smooth.
• Security Updates: Security updates are make the system up to date from new malware attacks from the hackers.

Bitdefender Antivirus

This popular free antivirus secures your PC/laptop from new e-threats while protecting your system in real-time. It defends against AI-generated tools by hackers and keeps the system safe. Unlike others, it doesn’t use system resources until malware detection. It adds a protective shield to guard against every attack from intruders. Additionally, it offers unique free security features no other antivirus can provide

• Ransom and Trojans: Hackers can use ransom tools for extortions and attack your pc/laptop CPU using trojans to corrupt the files but Bitdefender can protection there is nothing can hackers do.
• AI Spear phishing Protection: It can protect the system from AI written new undetectable phishing scripts from the hackers.
• Crypto Jacking: Hackers are hijacking the pc/laptops for resources to mine crypto coins, Bitdefender will keep the system protective from being hijacked.
• Protect From Exploitations: Every software pushing new updates daily with bugs that can be fixed until they will know it, hacker use the vulnerable to gain access to the pc/laptop and Bitdefender antivirus provide security layer to the system.

Experts Advice

You can install the antivirus which can fulfil your needs. Avast is a good and trusted software and it has more than 430 million community. On the other hand, AVG provide protection, high performance and security updates that can protect from new malwares. Talking about Bitdefender antivirus, it is 100 percent free to use. It is protect from modern things like crypto-jacking and AI powered tools. I hope you find it helpful and learned things that no one told yo before. 

FAQ’s 

Q1. Why we need a antivirus to protect the pc/laptop?

Hackers can use malware tools to attack system vulnerabilities to steal your personal photos, videos        and collect your personal data.

Q2. What hackers can do with credit/debit cards information?

Hackers will use to perform cyber-criminal activities to purchase illegal things from black markets.

Q3. How can protect the pc from malwares?

Installing an antivirus can fix all the vulnerable points and add an extra layer of protection to defend from the e-threats.

Q4. Which antivirus software is best to protect the pc in 2025 for free?

There are plenty of  free antivirus software that provide daily scans and protect you from real time threats such as Avast, AVG, Bitdefender and other.

Q5. How hackers can spy monitor the system activities?

With the modern spyware malware tools, hackers can easily spy on your actions and use your system camera, mic to record the user activities.