How to edit the homepage of the site as an admin?

For an admin to edit the homepage of the site he needs to do the following:

Firstly, he needs to log in to the admin panel.
Then go to the ‘Pages’ sub-menu under the ‘Website’ menu.
There he will find a page named ‘Homepage’.
There he will be able to set all the widgets of his website.
He will be able to set the footer widgets.
He will be able to set the about widget.
He will be able to set the social widget.
He will be able to enable/disable the ‘switching between languages’ feature.
And also have the feature of setting his copyright text.