Samsung Galaxy S4 User Manual page 66

To display the Multi window tab:
1. Press and hold the Back key
The Multi window tab
the screen.
Note: Initially open activation, the entire apps panel is briefly
displayed, then minimized to only show the tab.
2. Tap the tab to open the application panel showing all the
available Multi window apps.
To hide the Multi window tab:
Press and hold the Back key (
window tab from view.
59
( ) .
appears (by default) on the left side of
). This action hides the Multi