Below are screencasts that will help you navigate through various types of programs.
Browser related screencasts
How to organize your bookmarks bar into folders
Google classroom screencasts
Creating a class in google classroom & having students join a classroom
Gmail screencasts
Applying labels and filters to email
Destiny (media center book look-up)
Miscellaneous
Deleting reservations on schedulet
How to update your teacher webpage
YouTube
How to make a video available when it says it is unavailable