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 on the left hand side of this page.

Step 1: Define your query

Choose the appropriate articles category:

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

Technical Support for current and common issues for the product and version you are using.

Fight against malware your computer is infected or you need more information regarding malware.

Step 2: Documents

After completing the selection at Step 1, please take a look over the list of available documents, select the appropriate one and review its content. You can change the document you are reading at any time. Each document includes contact details for the Customer Care team if it does not give an answer to your situation.