1) Get your Plugin (CNipIT) Code
2) Sign in to your premium Wix site
3) Select "settings" from the left hand navigation bar, and then "Custom code" under "Advanced" in the center bottom of the page.
4)Paste the plugin code in the "code snippet" window, name it (Connect Now Plugin or whatever name you prefer) and select "body end" as the location for the code. Then click "Apply"
5) make sure you code is toggled to "on" as in the picture below.