Welcome to BitDefender Knowledgebase!

Here, you can search for documents addressing the most common and current issues. In order to access these documents, please follow the steps below, using the drop-down menus to the left to navigate your way.

Step 1: Define your query

First, select the appropriate department:

Customer Service – provides information about downloading, trialing, registering, renewing, upgrading, refunding or order information.

Technical Support – provides information on current and common issues for the product and version you are using.

Fighting Viruses – start here if your computer is infected or you need more information regarding malware.

Next, select a category for your query:

Step 2: Documents

Review the list of available documents, and click on any title link to reveal its content. If you do not find a solution to your query, you will be provided with contact information for the Customer Care department.