Windows 11 is Microsoft’s most advanced operating system yet, but staying protected from online threats is still essential. Choosing the best free antivirus ensures your device remains safe without slowing it down or breaking your budget. In 2025, several free antivirus programs offer strong protection, real-time scanning, and user-friendly features ideal for everyday use.

AVG AntiVirus

Owned by Avast, AVG shares the same strong core protection with a different design. It excels at blocking malicious links, downloads, and email attachments, making it a great choice for internet safety.

Avast Antivirus

Avast is known for its intuitive interface and powerful malware protection. It includes features like Wi-Fi security scanning, performance optimization tools, and a password manager. The Smart Scan feature quickly checks for viruses, outdated software, and network threats.

360 AntiVirus Pro

360 Antivirus Pro is a user-friendly free antivirus software designed to protect your Windows PC from viruses, malware, and online threats. It combines cloud-based scanning with a powerful local engine to deliver real-time protection without slowing down your system. With features like automatic updates, web protection, and USB drive scanning, 360 Antivirus Pro ensures your data and privacy stay secure. Its clean interface and easy setup make it ideal for both beginners and experienced users looking for reliable, free protection.

Bitdefender Antivirus

Bitdefender’s free version is lightweight and fast, offering excellent malware detection with minimal impact on performance. It runs quietly in the background and is perfect for users who want strong protection without pop-ups or manual tweaking.

Kaspersky Security

This trusted name provides real-time antivirus, phishing protection, and a basic VPN. It’s ideal for users seeking privacy and security in one free package.
No matter which Kaspersky free antivirus you choose, keeping your software updated and practicing safe browsing habits will go a long way in maintaining a secure system. Each of these options offers dependable protection tailored for Windows 11 users.

How can I use free Antivirus?

Using a free antivirus is simple and a great way to protect your computer. First, choose a trusted antivirus like Microsoft Defender, Avast, AVG, or Bitdefender. Visit the official website and download the free version. Install the software by following the on-screen instructions. Once installed, open the antivirus and run a full system scan to check for any threats. Keep the software updated regularly to stay protected from new viruses. Most free antivirus programs run in the background, offering real-time protection without slowing down your system. Just avoid suspicious links and emails, and your PC will stay safe and secure.

Pros and Cons of Free Antivirus

Pros:

It provides essential protection against viruses, malware, and phishing threats at no cost.

Most free antivirus programs offer real-time scanning and automatic updates.

They are lightweight, easy to use, and suitable for basic users.

Cons:

Free versions may lack advanced features like firewalls, VPNs, or parental controls.

Some may show ads or prompt frequent upgrade reminders.

Limited customer support is common.

Overall, free antivirus is a good choice for basic protection, but paid versions offer more complete security for advanced or high-risk users.

https://www.360antiviruspro.com/download-free-antivirus