When you already had the plugin package, then put the language folder into [yourmoofolder/app/plugin]

Example, we added Hehe as new plugin:

#Copy plugin package into [yourmoofolder/app/plugin]

Then go to Admin Dashboard/Plugins Manager/Manager/Not Installed Plugins, pressing on Install button to bein installation.

#Press Install button to begin installation.

When the progress is done, you can see your new installed plugin at Plugins List.

Settings, Delete, Download plugins can be made at plugins list.

#Actions for Plugins

Delete: you can delete your Plugin, simply just click on the Trash Bin icon at Actions Column.

You can change the plugin settings by clicking on Cogs icon at Actions Column:

It will lead you to the plugin's content manager page, example on Albums plugin:

Download the plugin as a package by clicking on Download icon.

Taking example on Blog plugin, when downloaded to computer, the package is a .zip file: