no i dont know how to do that

Start->Run and typing "cmd.exe". after this what do i have to write there?

When you're sure you have it right, save the file and close Notepad. Then double click on the file 'mapname.bat' to run it. Lot's of confusing stuff will show up in a command window as ZHLT compiles your map. When it is done you will see (at the bottom):
i can't understant what i have to do here.....i don't know how to run a txt file..please help...(yes im a noob)