Click on the GHIN website and click on the ‘Create profile’ link.
In the create profile, fill in at least the fields marked with a ‘*‘, and scroll down to the bottom.
Click in the box that you agree to the Terms of Service, then click the Register button.
You’ll have access to your scoring information from the web by going to the GHIN website or using the GHIN smart phone app. Here’s the Android link; I’m still trying to find how to give you a link to GHIN in the iTunes Store.