Your account has been successfully created, next step is to connect to your project. Multiple scenarios are possible : 

1. Case 1:The projects list in which you have been added is showing, you can simply click, on the project you are working on, to start.
2. Case 2:Your project doesn’t appear in the list, look at the organisations’ list; if the organization you are looking for is in click on it and then create your project inside.
3. Case 3:Your organization doesn’t exist, scroll down and click here to create it.  

Advice

To create your project, visit this article:here.