According to Resize Windows Taskbar | Move Windows Taskbar
How to move the Windows taskbar,
1. Right-click on a blank area in the taskbar and deselect
Lock the Toolbar. A divider line should appear next to the
Start button.
2. Left-click the area between the
Start button and your divider.
3. While keeping the left mouse button pressed, drag the taskbar to the new location. (top, bottom, left or right)
4. Release your mouse.
5. Right-click any blank area and
Lock the Toolbar.
Good Luck