Free BitDefender has proven to be the easiest antivirus software to install because of its user-friendly approach. Whatever your final decision is, should you choose the typical orcustom set-up, Bitdefender will guide you with every step that you need to take with the installation. There is a need for a restart on your computer after installing the Bitdefender software for it to take effect and the wizard will also inform you to do so. Bitdefender will get rid of other antivirus software installed to your computer in order to avoid software clashes. It is easy task to make changes to your Bitdefender antivirus software, to select other applications you will find all the choices inside the settings menu. For those who are not technically minded, Bitdefender offers a novice mode that automatically chooses the best security set-up. With Bitdefender’s intermediate settings, which includes a very easy to use tabbed interface, it will be easy for you to find much better options. If you want to fully manage all of the features that the Bitdefender has on offer, then you can go to the advance expert mode.