Make sure that your arm still has full range of motion. Then... [shalem raises his shield arm, holding it parallel to his body and leaning forward slightly, legs apart. his other arm just hangs at his side, unneeded for now.]

Hold your shield up, and your weapon with it. Find a stance that's most comfortable for you to hold them both at the same time, but never let the shield down.

It's acceptable to skip some steps when you have more experience, but when you've only just started training, best not to.