Finds and defeats existing viruses
Minimum impact on system performance
No annoying pop-ups
No credit card needed

Install Bitdefender Antivirus Free in 3 Easy Steps

You only need a few clicks to enjoy the best free antivirus protection.

Step 1
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Step 3
Download Bitdefender Free Antivirus
Open your downloaded file and start the installation
Sit back and let your free antivirus software keep your computer safe.

Is There a 100% Free Antivirus?

Absolutely! Bitdefender Antivirus Free offers top-notch protection for your Windows PC without any hidden costs or time limits. It's completely free to use, forever. But that's not all - with some of the best virus detection rates in the industry, you can rest easy knowing your devices are safe from even the trickiest viruses and cyber threats out there.

Free download

Best Free Antivirus Software for All Digital Threats

An antivirus that offers virus protection completely free? That’s right. Bitdefender Antivirus Free learns your PC's daily activity patterns to instantly detect and isolate suspicious changes in real-time, shielding you from known and emerging threats, including:

Ransomware

Financial extortion attacks that freeze PCs are on the rise, attacking everyone from individuals to global enterprises.

Infected Downloads

Infected downloads are files that contain harmful viruses or malware, which can compromise your device’s security and steal personal information

Phishing

Cybercriminals exploit AI tools to write shockingly personalized messages that can dupe just about anyone.

Zero-Day Exploits

Every software update comes with flaws that need fixing. Until they’re detected, hackers use them as infection points.

Rootkits & Trojans

Notoriously hard to detect, these attack your PC’s central nervous system and use its credentials to steal & impersonate you.

Malicious Websites

Malware can be embedded into almost anything you click on, including “next-gen” financial assets like NFTs.

Free download

Infected Device? Make it Like New With Bitdefender Antivirus Free

Is your device already infected? No sweat! Our free antivirus doesn't just shield you from future threats – it's also your personal cleanup crew. With powerful scanning and removal tools, we'll hunt down existing viruses and show them the door. Your device will be squeaky clean and ready to take on the online world, all without spending a dime. Don't let viruses overstay their welcome – give them the boot today!

Free download

What Makes Bitdefender the Best Free Antivirus?

Many free antivirus solutions are as intrusive and resource-heavy as the viruses they’re supposed to stop. Only Bitdefender Antivirus Free is designed from the ground up to keep you safe without disrupting your workflow and focus.

Keeps you informed without bothering you

Unlike other products, Bitdefender Antivirus Free is a non-intrusive software that only alerts you about threats when necessary.

Daily virus scans that don't hold you hostage

Worried about painfully slow scans that drag your system to a halt? Don't be. Bitdefender’s customizable virus scans catch every threat without negative impact on performance.

Won't interfere with your other apps

Some antivirus tools are so intrusive they can feel like a virus. Bitdefender’s features stay tightly contained in one app, so they're out of sight until you actually want to see them.

100% free antivirus protection

Get an antivirus that is totally free, no hidden costs, no trials required. Simply download and install the product by creating a Bitdefender Central Account.

Advanced Threat Defense

Ever wondered where threats come from? This feature shows you exactly where the threat originated and explains what could have happened if the antivirus hadn’t stopped it, giving you peace of mind and complete control over your device’s security.

Free download

Your Built-In Antivirus May Not Be Enough

Don't let your built-in protection lull you into a false sense of security. While it's better than nothing, it simply can't keep up with the constantly evolving cyber threats out there. Hackers are getting smarter and viruses more sophisticated by the day.

That's why you need a real antivirus solution like Bitdefender Antivirus Free on your side. Our advanced behavior-based detection catches even the vilest virus before it can wreak havoc. Plus, with regular updates, you're always protected against the latest threats.

Try Bitdefender Free Antivirus

Looking to Go Beyond Free Antivirus?

Free antivirus software is a great first line of defense, but when it comes to protecting your digital assets and online presence, sometimes you need a little more firepower.
So, if you’re looking for the type of protection that’s locked, loaded, and ready to neutralize cyber threats that dare cross your path, give Bitdefender Antivirus Plus a chance.

Bitdefender

Antivirus Free

Basic protection, Windows only

Free download

Bitdefender

Antivirus Plus

Full protection for 1 device

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Protection for every OS: Windows, macOS, Android and iOS
Protects Windows, Android, macOS & iOS Devices
Windows only
Real-Time Protection
200MB/Day of VPN Traffic
Ransomware Remediation
Anti-Tracker
Safe Online Banking
Social Network Protection
Game, Movie & Work Modes

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Check any scam in seconds, this free 24/7 chatbot is powered by our award-winning threat detection.
Protect yourself from online traps — check every link for safety and authenticity in just seconds.
Get ready to use ultra-secure passwords to protect your digital life from hackers, leaks and brute-force attacks.
Get it 100% free
Get it 100% free
Get it 100% free
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