Usernoise Pro Modal Feedback & Contact form v5.2.9
Purchase

Make sure Usernoise is not installed (including free version)
Download file from CodeCanyon
Unzip it
Open Plugins section at your site admin
Click “Add new”, then “Upload plugin” and choose usernoise-3.x.x.zip from the unzipped folder. Don’t upload usernoise-pro-5.x.x.zip.
Activate the plugin
Click “Add new”, then “Upload plugin” and choose usernoise-pro-3.x.x.zip from the unzipped folder. Don’t upload usernoise-pro-5.x.x.zip.
Activate the plugin
Set it up at Settings -> Usernoise