Bitdefender Installation & Activation



For PC

  • Minimum system requirements:

    • Operating system: Microsoft Windows 7(SP1), Microsoft Windows 8, Microsoft Windows 8.1, Microsoft Windows 10
    • CPU: Dual Core 1.6 GHz processor
    • Memory (RAM): 1 GB
    • Available free hard disk space: 1 GB free space (at least 800 MB on the system drive)
  • Recommended system requirements:

    • Operating system: Microsoft Windows 7(SP1), Microsoft Windows 8, Microsoft Windows 8.1, Microsoft Windows 10
    • CPU: Intel CORE 2 Duo (2 GHz) or equivalent processor
    • Memory (RAM): 2 GB (Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows 8.1, Microsoft Windows 10)
    • Available free hard disk space: 2 GB free space(at least 800 MB on hard system drive)
  • Software requirements:

    • Internet Explorer version 10 and higher
  • Integrates with:

    • Yahoo Messenger 9 and higher
    • Skype 6.3 and higher
    • Mozilla Firefox 14 and higher
    • Google Chrome version 20 and higher
    • Thunderbird 14 and higher
    • Outlook 2007, 2010, 2013
    • Outlook Express and Windows Mail on x86

Installing Bitdefender Products


  1. Make sure any previously installed Antivirus is completely removed.
  2. Bitdefender Central Account.
  3. Product Activation Code (License key).
  4. Working Internet connection.


In this section you will get the Download links for all Bitdefender Products.

Previous Antivirus Removal Tool

Removing previously installed antivirus is very important. Sometimes just performing a simple uninstallation may not remove residual entries from Windows registry. This can cause severe issues with installation and Activation of the product.

One major issue while installing the product can be “The exception unknown software exception (0xc0000417) occurred in the application at location 0xdac8633c. Click on Ok to terminate the program“. The location will change depending on your OS specifics.

There are also known issues where there exist problems with activation of the product. “Key already registered” is such a common issue.

To solve most of the problems use the uninstallers given below to perform a clean removal.

For previous versions of Bitdefender

Bitdefender Removal Tool – Download

For other Antiviruses

Download uninstaller for the antivirus you are using.

Other Antivirus Removal Tool – Select your antivirus

If your antivirus is not listed there, search on web with keyword “Antivirus Name removal tool”.

Bitdefender Removal Tool

Note: Run the tool as Administrator. Uninstallation will take some time. Once done restart your PC.

Attention Mcafee Users

Even after using Mcafee Removal tool, it hides entries in Windows registry files and will not allow Bitdefender to install. Once you have run the removal tool, reboot system and follow steps below:

  • Download Mcafee Registry Removal. The password for zip file is: 123
  • You should now have the ‘McAfee.reg’ file.
  • Double-click on the ‘McAfee.reg’ file and select ‘Yes’ if the User Account Control window pops-up and also ‘Yes’ when you need to confirm the action.
  • After this try again to install Bitdefender.


With Bitdefender 2016, there is no struggle to get the installer file. It is available in Bitdefender Central Account. All you need to do is select the platform for which you need the application.

bitdefender 2016 download

Note: By default you will get Bitdefender Total Security 2016 for Windows Platform. Once you add your subscription to Bitdefender Central account, the application is automatically changed from Total Security to other versions, depending on your subscription.

Offline Installers

As of now, we have Offline download available only for Bitdefender Total Security 2016. Please check the link below for the download links.

Bitdefender 2016 Offline Downloaders

Installation & Activation Video

Once you are ready with the installer. Click on the EXE file to run the setup. Image sequence below shows the various stages of the installation. Once started it will not bug you for any input. The setup may take a while depending on your Internet connection speed, so be patient.

Activating Bitdefender 2016 Products

Bitdefender 2016 product line can be activated by adding your license key to your account. This basically adds your product validation as subscriptions in Bitdefender Central account. Once that is done, all you need to do is Central account login into the Bitdefender Application. To achieve this, follow the steps below:

  • Login to Bitdefender Central Account and click on “My Subscriptions”. On this page click on “Activation Code”.add-subscription
  • Now the Activation box appears. Copy the purchased license and paste it into the activation box. Submit the license.
  • Once the license is added, your subscription will be active on your Central Account.

If Bitdefender is not installed on your Device, click on the ” + ” sign to get the installation file.


Now that you have the active subscription in Bitdefender Central Account, you will see the same details on your Applications. Make sure that the installed application is logged in with the same account you have added your Subscription to.

 Last Updated: 28/03/2015