Navigating / moving on the map
If you want to move on the map there are currently 2 possibilities.
Use the arrow keys on your keyboard
Hold down the right mouse button and then move the mouse, the map moves with
To select units click on them with the left mouse button.
Issue the order to attack
To give an attack command, first select one of your groups by left-clicking on it and then left-click on the enemy group to be attacked by your previously selected group.
Learn more about grouping units here: