You can already sign!
Most people don't realise that a lot of signs are common sense. You probably already use a load of signs daily without even realising! Think about these words and how you would describe them:
I bet you got most of them right or at least very close. Even just incorporating the facial expressions (e.g. of happy) is so important to sign language. There you go, you're signing already. Now you've got the idea, go take a look at our Essential Videos to learn some more!