You can download the proper version of the Norton software here.

The key needs to be applied in the trial application, enter the Support menu and pick "Enter Product Key"

License is for 1 computer and 180 days with free patches and upgrades to next versions.

Warning! 180 days keys could be used to renew only expired 180 days keys and not the expired commercial keys subscriptions. Two keys will not stack to be one year. No matter how many days you left on your subscription, once you activate the key, you will have 180 days.

The application can face some sort of incompatibility on Windows 10 operating system. For more details you can check official Norton website by clicking here.