You can still choose to open the Start screen and other Windows 8 UI features, or you can disable them entirely so that the Charms bar, hot corners, and other Win 8 elements are inaccessible.

The traditional desktop has been relegated to second-class status, hidden beneath Windows 8’s new touch-centric Start screen. ... and horizontal movements for the new Windows 8 UI.

One UI 7 doesn’t support the same number of grid layouts as its predecessor, largely because it now makes room for the Now Bar. One UI 6 supported grid layouts of 4×5, 4×6, 5×5, and 5×6.