Use Lakeland courses, Free training on Esri site and additional training videos.
Login to your myLakeland account. Under the Student tab (or Employee for faculty and staff), go to the myApps section and click on the "GEOG - Access ArcGIS Online" link.
After you have created your AGOL account, follow the following link to ArcGIS Pro quick-start tutorials. Under the title, the current version of ArcGIS Pro will be listed. Click on "Other versions" and select 2.9.
ArcGIS Pro Quick Start Tutorial
https://pro.arcgis.com/en/pro-app/latest/get-started/pro-quickstart-tutorials.htm