How to install Joomla! on my SiteGround account?
You can install Joomla on your account from the automatic script installation system – Softaculous. Here is how to install Joomla! using Softaculous:
Go to cPanel –> Softaculous. Pick the preferred version of Joomla! from Portals/CMS and click on the Install tab.
For detailed instructions on how to install Joomla! on your account, please check this tutorial.