Protecting millions of systems worldwide
For a worry-free digital life
Declared Editor's Choice by PC Mag
Bitdefender Total Security
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Bitdefender

Internet Security

Windows®

multi device: Devices
Download free 30-day trial

Best security against all Internet threats on Windows PCs

Choose the best-rated Internet security suite to protect your Windows PC against all online threats.

up to 57%
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up to 57%
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  • Unbeatable threat detection to keep all Internet threats away
  • Privacy firewall to block intrusions and filter your network traffic
  • Webcam and microphone protection to prevent eavesdropping
  • Secure VPN for complete online privacy, 200 MB/day/device improved
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multi device: Devices

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for the first year


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multi device: Devices

 

 

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for the first year


Plus applicable sales tax.

Get the best Internet security for Windows

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2 Years Plan

Number of devices

Billed for the first 2 years

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*for the first 2 years

Plus applicable sales tax.

3 Years Plan

Number of devices

Billed for the first 3 years

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*for the first 3 years

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*for the first 3 years

Plus applicable sales tax.

PCMag
PCMag Editor's Choice

PCMag December 2021

AV-Comparatives
Outstanding Security Product

AV-Comparatives January 2022

PC Mag
TechRadar Editor's Choice

TechRadar March 2022

Compare cybersecurity brands

How Bitdefender compares to other cybersecurity

Best Protection Against Infections

(On a scale of 0 to 6 and 6 being the highest protection)

Bitdefender
5.94
Kaspersky
5.92
Norton
5.86
McAfee
5.32

Overall Score. January 2011 - June 2022. AV TEST.

Lowest Impact on Performance

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

Bitdefender
5.83
Kaspersky
5.82
Norton
5.54
AVG
5.42

Overall Score. January 2013 - June 2022. AV TEST.

Bitdefender. Choose what the experts use.

You get the most innovative technologies that predict, prevent, detect and remediate even the latest cyber-threats, anywhere in the world.

All features

Best security against all Internet threats on Windows PCs

Bitdefender Internet Security has won the Product of The Year award from AV-Comparatives. It protects Windows PCs against all types of online threats, and includes Bitdefender VPN and Bitdefender Safepay for your privacy and secure online banking.

Protection

Bitdefender`s unbeatable multi-layered protection keeps your devices safe from all new and existing threats.

Performance

Bitdefender’s security software reacts instantly to all e-threats with no compromise to your system’s performance.

Privacy

Bitdefender Internet Security takes care of your online privacy and personal information.

compare solutions

Compare Bitdefender Products

Compare our award-winning products and get the best real-world protection, so you can keep doing the things that matter while we handle security.

Bitdefender

Total Security

Bitdefender

Internet Security


5 devices

 

 

for the first year


LEARN MORE

Bitdefender

Internet Security


3 devices

for the first year


buy now

 

 

for the first year


Plus applicable sales tax.

Bitdefender

Antivirus Plus

Bitdefender

Total Security


3 devices

 

 

for the first year


LEARN MORE

Protection for every OS: Windows, macOS, Android and iOS

Windows
Windows

Device Optimizer

Privacy Firewall

Parental Control

Protection against malware, spyware, adware

Multi-Layer Ransomware Protection

System requirements

Frequently asked questions

How does Bitdefender Internet Security protect me against cyber threats?

Bitdefender Internet Security provides the best protection in the industry, as proven by the last 10 years of independent test scores.

Bitdefender Internet Security has won the Product of The Year award from AV-Comparatives.

You get a wealth of advanced security and privacy features for Windows - plus many bonus features, including secure VPN, Firewall and Parental Control.

Does Bitdefender Internet Security protect me against ransomware?

Bitdefender Internet Security offers unbeatable ransomware protection that keeps your documents, pictures and videos safe from all known and emerging cyber threats.

This security solution can identify even the latest ransomware families through the use of multiple layers of protection.

What type of devices and operating systems does Bitdefender Internet Security cover?

Bitdefender Internet Security is a security software designed especially for Windows PCs.

Why do I need Bitdefender Internet Security on Windows 10?

Windows 10 lets you run the security program of your choosing, and Bitdefender Internet Security is the perfect option if you need the best protection available today.

How does Bitdefender Internet Security compare to other Bitdefender security products?

Bitdefender Internet Security is a security software designed especially for Windows PCs.

Need security for all operating systems? Bitdefender Total Security offers cross-platform protection that covers Windows PCs, Macs, Smartphones and Tablets running Android or iOS for up to 10 devices.

Need more devices? Bitdefender Family Pack includes Bitdefender Total Security for up to 15 devices.

Need unlimited VPN traffic? Bitdefender Premium Security includes Bitdefender Total Security, Bitdefender Premium VPN for Unlimited Traffic & Premium Support.

Do I get a VPN with my Bitdefender Internet Security subscription?

Bitdefender Internet Security comes with a basic version of Bitdefender VPN that includes a generous amount of traffic (6GB monthly), free of charge.

If you need unlimited traffic, add Bitdefender Premium VPN to your Bitdefender subscription.

Can I try Bitdefender Internet Security before buying?

You can always try before you buy. Download your free 30-day full trial version of Bitdefender Internet Security and test the complete package, no credit card required.

How do I activate Bitdefender Internet Security?

Just go to your email after your purchase and follow the steps to create a Bitdefender Central Account and activate your subscription. Once your subscription is active in your Bitdefender Account, you can start installing & protecting your devices.

I changed my computer. How do I reinstall Bitdefender Internet Security?

Log in to your Bitdefender Central account, go to My Devices and start installing Bitdefender on your new device. If the old computer is no longer in use, you will not need an additional slot on your subscription.

Do I have to renew Bitdefender Internet Security?

To help you stay protected, Bitdefender Internet Security can be purchased as a subscription that will automatically renew if you enrolled at the time of purchase.

You can check and modify the status any time in your Central Account (My Subscriptions -> My Payments) if you activated the subscription on the same email address used for purchase.

If you purchased Bitdefender Internet Security without enrolling in automatic renewal, you can choose to renew early or purchase for another year (or upgrade) close to the expiration date, depending on the time left on your subscription.

In any case, starting 30 days before your expiration date, you will receive emails informing you that your subscription is about to expire and describing the next steps.

I have not received the activation code. What should I do?

Confirmation emails are typically received shortly after an order is placed. Make sure you also check your Promotions and Spam folders if your email client categorizes emails automatically. For more information, check this Support article.

Didn't find what you were looking for?

Log in to your Bitdefender account at Bitdefender Central to find out more about your Bitdefender Internet Security subscription (video tutorials included).

Helpful articles are also available in Bitdefender Support Center.

Bitdefender Central

Security everywhere you go

  • Activate Bitdefender protection on your devices
  • Manage from your browser on iOS or Android phone
  • Scan your network from Bitdefender Central mobile app
  • Get security updates 24/7
  • Get direct access to our support team

All you need to know about
Bitdefender Central.

Download the mobile app

Download on the App Store Get it on Google Play

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.
  • The Bitdefender Subscription 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 which may be higher than the initial purchase 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 may cancel your automatically subscription from Bitdefender Central or by contacting Customer Support at: [email protected];
  • You may obtain a refund by contacting [email protected] 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.

Bitdefender Internet Security
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Bitdefender

Internet Security

device: Compatible avec: Windows

  • Unbeatable threat detection to keep all Internet threats away
  • Privacy firewall to block intrusions and filter your network traffic
  • Webcam and microphone protection to prevent eavesdropping
  • Secure VPN for complete online privacy, 200 MB/day/device improved

It earns our Editors' Choice badge as a top entry-level security suite

PC Mag December 2021
Protecting millions of systems worldwide
For a worry-free digital life
Declared Editor's Choice by PC Mag