The best Free Antivirus

with Award-Winning Technologies

Secure your computer and data with a free antivirus that offers unrivaled peace of mind, with zero impact on your device’s speed.

FREE DOWNLOAD

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Browse, click and download with confidence

with Bitdefender Antivirus Free for Windows

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Keeps you informed without bothering you
Virus scans that don’t hold you hostage
Won’t interfere with
your other apps
100% free antivirus protection
Unlike other products, Bitdefender Antivirus Free is a non-intrusive software that only alerts you to threats when necessary.
Worried about painfully slow scans that drag your system to a halt? Don’t be. Bitdefender’s virus scans catch every threat, with no impact.
Some tools are so intrusive they can feel like a virus. Bitdefender’s features are all in one app, so they’re out of sight until you want to see them.
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.
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Choose the free antivirus software that is both powerful and lightweight

GET FREE PROTECTION

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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 or focus.

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How Bitdefender compares to other cybersecurity

Built with Award-Winning Technologies

Best Protection

Best Performance

Best Protection against e-Threats (On a scale of 0 to 6 and 6 being the highest protection)

Lightest impact on Performance (On a scale of 0 to 6 and 6 being the lowest impact)

Bitdefender
5.95
Bitdefender
5.87
Norton
5.87
Norton
5.57
McAfee
5.37
AVG
5.46
Overall Score. January 2011 - June 2023. Source AV TEST.org
Overall Score. January 2013 - June 2023. AV TEST.org
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What you get with Bitdefender Antivirus Free

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System Scan
Advanced Threat Defense
Exploit Detection
Web Protection
Bitdefender actively protects your device from threats by detecting and removing malicious software.
Bitdefender monitors and identifies suspicious behavior to block even the most advanced threats.
Bitdefender scans your software for flaws that hackers could use as infection points.
Bitdefender checks webpages and search results to protect against threats, fraud, and phishing attempts.
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Install Antivirus Free... It’s easy as 1-2-3!

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Step 1
Step 2
Step 3
Download Antivirus Free from the Website. You can find it here.
Open the file and start the installation by following the instructions.
Get a coffee, relax and enjoy the Internet being protected!
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FREE DOWNLOAD

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SYSTEM REQUIREMENTS
Bitdefender Antivirus Free for Windows

Operating System: Windows 7 with Service Pack 1, Windows 8.1, Windows 10 and Windows 11

Memory (RAM): 2 GB

Available free hard disk space: 2.5 GB free space

*System performance may be affected on devices with old-generation CPUs

SOFTWARE REQUIREMENTS

Internet Explorer version 11

Bitdefender Central

SOFTWARE REQUIREMENTS

Supported browsers:

Chrome 56 and later

Firefox 52 and later

Microsoft Edge