In this short article, i will show the steps to enable Site Contents tree view in the Quick Launch bar.
We can use this Tree View to navigate to all the site contents including lists, libraries, surveys, sub sites.
How to enable?
Open your site & then site settings page.
From the Look and Feel section choose Tree view link.
Choose the Enable Tree View option & click the Ok button.
Now try loading the site home page, you should be seeing the Site Contents tree view there.
You can click on the links & try navigation of the same.