Hello John,
It sounds to me like you might not have set yourself up a Docs account yet, to set yourself up with an account please follow the link below.
Autodesk BIM 360 Docs - Get BIM 360 Docs (Free Forever)
Once you have inserted the email address which is linked to your Autodesk Account on this page and clicked 'Get Started Now' you should automatically be taken to your new Free BIM 360 Docs account where you will be able to start using the software straight away.
Following this first time any subsequent times that you want to login to BIM 360 Docs you should do this by following the sign in link below and using your Autodesk Account login details.
BIM 360 Docs Sign In
I hope this answers your question. Let me know if you need any more help with this issue. If this has answered your question please select this answer as an Accepted Solution using the 'Accept as Solution' button.
Best Regards
Benjamin Peake
Product Support Specialist
Autodesk, Inc.
