First of all, change the turn counter from deployment to first turn. There is a little arrow on the right of the word DEPLOYMENT, clicking this will make it turn one. If it says it's my army's turn, you'll have to go into game details (where the armies are) and select your army to go first (there's a check box).
Then to move your units, select them and click on the arrows at the top. These are a lot better than pulling the units around as you can never really get the right facing or judge the distance when pulling. There are wheels and set distances forwards, backwards, left and right, so you should be able to move the way you want pretty easily
Is that everything?
Oh, and don't forget to add an extra model to each unit with a character in. The character sits on a unit member rather than displacing them.