Windows 8 and 10 have by default the folders in second layers of the navigation pane hidden. If you want to show or hide all the folders then this is the article you should follow.
[symple_tabgroup] [symple_tab title=”Hidden”]
[/symple_tab]
[symple_tab title=”Shown”] 
[/symple_tab]
[/symple_tabgroup]Show all Folders in File Explorer
1. Open File Explorer
2. Click on View
3. Click on Options
4. Click on Change Folder and Search Options
5. Then under the General tab, and under the Navigation Pane group, check the box Show All Folders
Hide all Folders in File Explorer
1. Open File Explorer
2. Click on View
3. Click on Options
4. Click on Change Folder and Search Options
5. Then under the General tab, and under the Navigation Pane group, uncheck the box Show All Folders
