Steps 2 and 3: Click on the login icon in the top left  corner of the screen, select your preferred login provider, and login with your username and password.

External login services use OAuth 2.0 technology, where your password always stays confidential between you and your login provider and you don't have to remember another one.

If you don’t already have a Google™, Microsoft®, or ArcGIS® Online account, click on these links for more information on how to set one up.

https://mail.google.com

https://www.arcgis.com/home/

https://www.microsoft.com/en-us/account