AZ-120 Labs
Microsoft GitHub labs are series of labs designed to be used in Microsoft Instructor Lead Trainings delivered by Microsoft Certified Trainers where participants also have access to the environment to perform them. This means that for everyone else, it is necessary to bring your own environment to go through them.
Prerequisites here: AZ 120: Lab prerequisites
Guided labs are short interactive videos that offer a free way to get familiar with the products being presented. They aren’t as good as actually using the products but they provide a safe way to practice without the risk of messing something up or running up a bill.