Within the Learning library, all your assigned training can be accessed from your home screen with additional training accessible from the Content library.
While it is preferable to complete all your assigned training, the training most needed for your role can be accessed as follows:
Step 1: Navigate to Content library
Step 2: Filter on Collections in the left tab and access your role's training
Within the Help center, you have over 230 articles available to you which you can search on an ad hoc basis, but we believe these may be most useful to you: