Just paid to continue my use of F-Secure Internet Security. When I try to install it (bearing in mind that I am already using a previous version, 2011, it fails stating that my version of Windows is not supported.
1) What OS are you using?
2) just enter the new keycode in Advanced Settings/Subscription
Using Windows XP service pack 2
Please upgrade your Windows XP to SP3. It is highly recommended to install F-Secure 2012. Windows XP SP2 is not supported for F-Secure 2012. If your current subscription is still active,then you can use it first before you enter the new subscription number to extend your subscription.
You can download Windows XP SP3 from the link below:
You need to download and install the Windows XP SP3 from the given link. After the installation of Service Pack 3 is completed. You need to run the Windows Update again to received a new update from the microsoft. Then you can continue to install F-Secure Internet Security 2012.