User Manual

Table Of Contents
From a previous Bitdefender Internet Security version to the latest
Bitdefender Internet Security available.
From a previous Bitdefender Total Security version to the latest Bitdefender
Total Security available.
There are two cases which may appear:
You have upgraded the operating system using Windows Update and you
notice Bitdefender is no longer working.
In this case, you need to reinstall the product by following these steps:
In Windows 7:
1. Click Start, go to Control Panel and double-click Programs and
Features.
2. Find Bitdefender Total Security and select Uninstall.
3. Click REINSTALL in the window that appears.
4. Wait for the uninstall process to complete, and then reboot your
system.
Open the interface of your new installed Bitdefender product to have
access to its features.
In Windows 8 and Windows 8.1:
1. From the Windows Start screen, locate Control Panel (for example,
you can start typing "Control Panel" directly in the Start screen), and
then click its icon.
2. Click Uninstall a program or Programs and Features.
3. Find Bitdefender Total Security and select Uninstall.
4. Click REINSTALL in the window that appears.
5. Wait for the uninstall process to complete, and then reboot your
system.
Open the interface of your new installed Bitdefender product to have
access to its features.
In Windows 10:
1. Click Start, then click Settings.
2. Click the System icon in the Settings area, then select Apps.
How to 45
Bitdefender Total Security