Bitdefender Antivirus Free is totally free, perpetually free, and has no hidden fees. It guards your Windows computer against viruses, ransomware, phishing, and other malware. Rebuilt from the ground up, it combines a feather-light footprint that won't slow down your computer with award-winning detection.
Click the "Free Download" button after visiting https://www.bitdefender.com/en-us/consumer/free-antivirus.
Link for direct download: https://download.bitdefender.com/installer/bitdefender_avfree.exe
Although the download is quite small, the installer will download over 500 MB of files. The application requires a free Bitdefender Central account. A sign-up and sign-in form appears on the initial run.form is shown.
Note: Without your consent, the software will add two extensions to your Chrome browser; you can use them or remove them from the browser.
90 days trial here - https://www.bitdefender.com/en-us/consumer/downloads
Get Bitdefender Antivirus for free.
Update: You can now download the most recent version, 27.0.60.337 (updated June 13, 2026), for free.Click the "Free Download" button after visiting https://www.bitdefender.com/en-us/consumer/free-antivirus.
Link for direct download: https://download.bitdefender.com/installer/bitdefender_avfree.exe
Although the download is quite small, the installer will download over 500 MB of files. The application requires a free Bitdefender Central account. A sign-up and sign-in form appears on the initial run.form is shown.
Note: Without your consent, the software will add two extensions to your Chrome browser; you can use them or remove them from the browser.
90 days trial here - https://www.bitdefender.com/en-us/consumer/downloads
Note: During installation, you’ll need to create a free Bitdefender Central account. The installer will also add two Chrome extensions, which you can uninstall if desired. 
