The video tutorial explains the role of modules in running cmdlets on a computer. It covers how to list available modules using PowerShell, explores installed modules and their cmdlets, and provides guidance on downloading and managing vendor-specific modules like those for Azure, VMware, Citrix, and AWS. The tutorial emphasizes the importance of having the correct modules installed to avoid errors when executing commands.

What is the significance of the Azure module in PowerShell?

What steps must be taken to manage virtual machines in VMware or Citrix?