Using Norton Antivirus to protect your computer, Android and iOS is a smart way to prevent your device from viruses, Malware, online threats and other risks. Norton allows a free trial with basic security features so you can explore for other enhanced services that the antivirus provides. To enable high-end security for your device, you need to have a subscription to Norton antivirus. Among various Norton Products, you can choose any depending on your requirements as different product offers different security features. Once you purchase the subscription of this antivirus, you will need to download, install and activate the software on you desired derive or the one it permits you to install.