Norton Security is an Application that is available for free. The installation process is very easy. If you want to install Norton Security on your system then you need to visit the official website of Norton and download the setup file Norton Security. After downloading the setup file, go through the installation process and make sure that you are not installing any other application along with Norton. Once the installation is completed, open Norton Security and try to activate the product by entering the license key. You can find the license key by going through the instructions which are present in the User Guide.