B/c I use a mac, I'm not even going to try to answer as probably the key keys are different! But, I will say it's a pain at first. Using Command-Shift click for painting or just Shift-Click, etc.. Those are probably the things you need to experiment with. Also, you could try reaching Tokamak or DilithiumDad with the in-forum mail. They are both quite adept at the editor.