Working with the AP art portfolio online tutorial provided by College Board
This link is a tutorial of how to work with your portfolio once you have launched it:
https://apcentral.collegeboard.org/series/directions-using-ap-art-and-design-digital-submission-web-application-students/my-portfolio
Step-By-Step of Portfolio
https://apcentral.collegeboard.org/series/directions-using-ap-art-and-design-digital-submission-web-application-students