From your Joomla Dashboard
How to Download and Install the plugin: –
You can install the Joomla SAML SP plugin by following 2 ways:-
1) From Joomla Marketplace:-
Click on System -> Install -> Extensions on your Joomla site.
Search miniorange SAML SSO under Install from the web and Select SAML SSO for Joomla extension
After selecting click on the Install button.
Now click on Install again.
2) From miniOrange/Xecurify plugin site.
Please click here (https://plugins.miniorange.com/joomla-single-sign-on-sso) to navigate to the miniOrange Joomla plugin site.
Now click on the Download button.
Now go to your site. Navigate System -> Install -> Extensions.
Click on the Upload Package File. Browse and select your downloaded plugin from your file explorer.
Now you have successfully installed the plugin.