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Time to claim your welcome gift - 66% OFF our best protection!

Upgrade and secure all your devices with additional layers of security:


Antivirus Free Edition

1 device


Total Security

5 devices

for the first year

buy now

Plus applicable sales tax.

Basic Antivirus protection for Windows PCs

Complete protection for Windows, macOS, Android and iOS devices

Multi-layer ransomware protection to defend your files from encryption by ransomware

Webcam Protection to prevent unauthorized access

Privacy Firewall to keep your info safe from hackers

Microphone Monitor to prevent eavesdropping

Parental control to keep your kids safe online

System optimization tools


Thank you for choosing Bitdefender!

Getting started is easy!

Your download should begin shortly. If it doesn't, click here to download the file manually.
Please note: Bitdefender Antivirus Free Edition is currently available only in English and German.

Need help installing? Here are the 5 steps needed to run Bitdefender
Antivirus Free Edition on your computer:


Locate the file you downloaded,
then click on it to run the installer.

Step 1


Wait until the necessary
installation files are downloaded.

Step 2


Click “Install” and follow the
instructions on the screen.

Step 3


Recommended: after the install
finishes, click on “Sign in to Bitdefender”
to activate your protection.

Step 4


Create or sign in to your existing
Bitdefender Central
account to activate Bitdefender
Antivirus Free Edition.

Step 5

That’s it! Bitdefender Antivirus Free Edition is now up
and running on your computer.

Install free antivirus on your Mac,
Android phone, or tablet

Mac OS Android

Notice any lag after installation?

Sometimes when you install an active protection solution on an infected computer, you might notice your PC slows down.
Other causes could be that another security solution is installed on your system, or that the minimum system requirements are not met.
If this appears to be your situation, please follow the instructions in this article:

Strong together

With you, we are stronger: our advanced machine learning technologies become more proficient as more people use Bitdefender.
So let your friends know about Bitdefender Antivirus Free Edition and join us in our vision of a safely connected world!

Terms of use

  • Your subscription automatically begins at the purchase date;
  • By subscribing, you are purchasing a recurring subscription which will automatically renew;
  • The Bitdefender Auto Renewal Plan is designed to save you time, effort, and minimize your vulnerability risk by extending your subscription automatically before you run out of protection.
  • Continuous protection so that you never have to worry about your subscription running out before you renew manually;
  • Free upgrades whenever a new version of Bitdefender comes out;
  • Peace of mind that your devices are always protected;
  • Save time while we are taking care of the automatic renewal process;
  • Opt out at any time so that you are always in control of your renewal options;
  • 24/7 security all-subscription long without interruption;
  • The price offered is valid for the first year of subscription. After that, your subscription will be billed at the applicable renewal price;
  • If a discount is presented, it describes the difference between the first term and renewal term subscription prices (e.g., first year price vs. each year thereafter). The prices are subject to change, but Bitdefender will send a prior notification by email, before the automatic renewal takes place. You will receive an email notification before you will be billed, along with information regarding pricing and the extension of your subscription duration.
  • Your subscription automatically begins at the purchase date;
  • By subscribing, you are purchasing a recurring subscription which will automatically renew.
  • You can cancel the automatic charges for your subscription by loging in to your Bitdefender Account and disable automatic renewal, or by contacting Customer Support at:;
  • You can receive a refund by requesting it from Bitdefender Account or by contacting within 30 days of your initial purchase or of the automatic renewal date.

Your subscription may include product, service and/or protection updates and features that may be added, modified or removed subject to Bitdefender Subscription Agreement and Terms and Conditions for Home Users and Privacy Notice.