Step 1: Sign In using your AAPT username and password. If you don’t have an AAPT account, or if you are not an AAPT member, that is no problem! You can create a new account for free by clicking below. (You will use your email address as your username.) Note, username and password are both case-sensitive. Note that Registration is not available until you sign in. Step 2: Use the Register Myself button to register. Step 3: Make sure you Save Responses in each section before you check out and finalize your registration.