You should get an email that leads to a redemption page, and that page will give you the Steam key. It can be confusing what's the Steam key, and what's your order confirmation number at times.
If you're unable to access your redemption page, or the key it provides doesn't work. Follow up by messaging Jared with your information so he can look up your order. (Don't post your information in this forum thread, use a private message)