i need help how do you load the map onto zeroeditor

Create the map using:
DRIVE:\BF2_ModTools\data\_BUILD\Modtools VisualMunge.exe

Then run the zero editor from;
(assuming you named the map ABC in the '3-letter section of VisualMunge')
DRIVE:\BF2_ModTools\data_ABC\zeroeditor.exe

Then select "load"(in the top left corner)
Pick your map, should be in;
DRIVE:\BF2_ModTools\data_ABC\Worlds\ABC\world1\

Check the check boxes and press "OK"