Place Artillery unit first. This will be treated as a HQ unit.
Purchase, and place other units in the same hex as the artillery (HQ) unit. All these units placed in that hex will
be given the same HQ number. 
After you have placed all the units in the Group/Division's hex hit 'F6'.
Scroll to the bottom of the window on the right. (Divisional window.) 
Click on the last group. That should be the last group you placed on the map. 
Enter the name of the unit in the text box. Click 'rename division'. All units in that group will be renamed.
You can enter Experience for the entire group in the Exp text box. Then click 'set exp' button. All units in that group will
be given the same experience.

F12 will bring up the Editor/Debug screen. 
'reset movement - all units'
Here you can reset all units movement/fire status. This allows you to move units around without having to end the turn.
'load map data from map file'
Some map information is stored in the save file. (new roads, airfields, etc.) This info is loaded after the map data is loaded
from the map file. Clicking this will load the latest version of the map file. 

