CustomKeys-Sample.txt - Default keybindings
CustomKeys-QWERTY-Grid.txt - Grid layout for QWERTY keyboards
CustomKeys-Dvorak-Grid.txt - Grid layout for Dvorak keyboards
Rename one of the files named "CustomKeys-*.txt" and place it into your "CustomKeyBindings" folder (i.e. C:\Users<username>\Documents\Warcraft III\CustomKeyBindings).
Read "CustomKeyInfo.txt" for customization info. See "Key-Codes.txt" for a list of non-alphanumeric key codes.