The current document intends to provide answers to the most asked questions in terms of licensing, registration and the customer's account on BitDefender website.

This article describes how to upgrade to BitDefender Internet Security 10.

Starting with version 10 of BitDefender's line of solutions for consumers and small businesses BitDefender Professional Plus will be called BitDefender Antivirus Plus 10.This article describes how to upgrade from BitDefender 8 Professional Plus or BitDefender 9 Professional Plus to BitDefender Antivirus Plus 10.

This article describes how to install BitDefender Antivirus Plus 10.

This article describes the Initial Setup Wizard that appears when installing BitDefender 10.

Provides answers to the most frequently asked questions.

Whenever a BitDefender product is purchased, our customers receive the product as a 30 trial days version and a license key to register it. The product is not pre-registered, therefore the customers need to perform the BitDefender registration process.This article describes all the steps you need to perform in order to have a properly registered BitDefender product.

Installation for 2011

This document describes how to restore the Windows XP operating system to a previous state.

BitDefender 2011 comes with a wide range of tutorials that are meant to help you take full advantage of your product and also customize it to perfectly suit your needs.