For creating map go to Analysis & Share map tool and register using valid email id Or choose Analysis & Share Map option from the product in the navbar.
Once you fill all the information click on submit button.
A verification link is sent on your email id which you have provided during registration. Click on the link and set your password.
Welcome onboard !
Go to Analysis & Share Map and Login with username and password.
Click on Login. Good to Go Happy Mapping !