Download plug-in object code and put it at your plug-ins folder then follow nopCommerce standard plug-in installation procedure to install plug-in.  Universal SMS plug-in is available under “SMS Providers” group on local plug-ins page. Once plug-in is installed go to your nopCommerce admin panel, and go to Configuration → Plugins → Local plugins → Universal SMS plugin. It will ask you to enter your license key as shown in figure below, enter license key which you received on your registered email after purchasing this plug-in from our website.


You may need to give read/write permission's to IIS user's on server where you deploy/host your website to install this plug-in.