Thank you for your interest in NS8's products. You can read detailed information about
NS8 Protect for Magento here.
The easiest way to install NS8 Protect is to click the Install Free Trial button located at the top and bottom of the page and follow the instructions below. You can also search for NS8 in the Magento Marketplace.
The best way to install the application is to follow the Install Free Trial link from NS8's product page and complete the steps outlined in Magento's support document accessed here.
Before the end of your trial period, you will need to enter a payment card in order to continue using NS8 Protect.