JoomSMS is an all-in-one package so you simply have to install the main package on your Joomla website and you're done.
JoomSMS can be intalled as any Joomla extension using the standard Joomla extension installer located at: Joomla Backend -> Extensions -> Extension Manager
Once you've downloaded the most recent version from our website in my downloads section , you can install it as any Joomla extension.
To use Joomla mass update feature, please follow setp below:
Go to Backend -> Components -> JoomSMS -> Dashboard and enter your key in Download ID widget.
Now you will see a new update of our component in Updates manager of Joomla, read more about it here: Extensions Manager Update