How to: Hide the Taskbar.
Solution:
Check 'Auto hide' in the 'Taskbar Options' Properties dialog box.
1) Click the 'Start' button to display the 'Start' menu.
2) Select the 'Settings' menu and select 'Taskbar...' from the menu.
'Taskbar...'
3) Click the 'Taskbar Options' tab.
4) Select the 'Auto hide' check box.
'Auto Hide' check box
5) Click 'Apply'
6) Click 'OK'.
NOTE: To display the Taskbar again, move the pointer to the area where the Taskbar is hidden (e.g., the bottom of the screen). The Taskbar appears.