Yast=>Software Manager
Choose Patterns in tabs across the top.
Put a checkmark in front of XFCE Desktop Environment.
Click the “Accept” button.
Or:
zypper in patterns-xfce-xfce
Yast=>Software Manager
Choose Patterns in tabs across the top.
Put a checkmark in front of XFCE Desktop Environment.
Click the “Accept” button.
Or:
zypper in patterns-xfce-xfce