
2. A link that indicates the number of days left on your license appears at the bottom
of the Bitdefender window.
Click this link to open the registration window.
3. Enter the new license key and click Register Now.
4. You will be informed that the license key is for a different Bitdefender product.
Click the corresponding link and follow the procedure to perform the installation.
9.5. How do I use my Bitdefender license key after a Windows
upgrade?
This situation appears when you upgrade your operating system and you want to
continue using your Bitdefender license key.
If you are using Bitdefender 2009, 2010, 2011, 2012 or 2013 you can
upgrade, free of charge, to the latest Bitdefender version, as follows:
● From Bitdefender Antivirus 2009, 2010, 2011, 2012 or 2013 to the latest
Bitdefender Antivirus Plus.
● From Bitdefender Internet Security 2009, 2010, 2011, 2012 or 2013 to the latest
Bitdefender Internet Security.
● From Bitdefender Total Security 2009, 2010, 2011, 2012 or 2013 to the latest
Bitdefender Total Security.
There are 2 cases which may appear:
● You have upgraded the operating system using the Windows Update and you
notice Bitdefender is no longer working.
In this case, you need to reinstall the product using the newest available version.
To solve this situation, follow these steps:
1. Remove Bitdefender by following these steps:
▶ In Windows XP:
a. Click Start, go to Control Panel and double-click Add / Remove
programs.
b. Wait a few moments until the list of installed software is displayed.
c. Find Bitdefender and select Remove.
d. Click Remove and then Reinstall/change my Bitdefender product.
e. Wait for the uninstall process to complete and then reboot your system.
▶ In Windows Vista and Windows 7:
Installation
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Bitdefender Internet Security
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