If you belong to the Volusia County Public Library, you get access to the Pro version of Lynda.com. If you live in Flagler County, get a Library card through the Flagler County Public library and use it get a card in Volusia County Library. If you live outside of these two counties, you would need to subscribe or use one of the free options listed below.
The Microsoft Office Training Center page provides you with video training, free templates, quick start guides (including keyboard short cuts) and tips to help you make the most of your Office apps. Again, you do not need to create a new, separate Microsoft Account. You already have one. It is your FalconMail email account, where you have free access to Office 365 and One Drive.
This site provides comprehensive technical tutorials for a variety of subjects and software.