It appears the __What is PowerShell Gallery?__ and __Getting started__ links on https://www.powershellgallery.com/ are dead. Current: https://docs.microsoft.com/en-us/powershell/gallery/overview https://docs.microsoft.com/en-us/powershell/gallery/getting-started Should be: https://docs.microsoft.com/en-us/powershell/scripting/gallery/overview https://docs.microsoft.com/en-us/powershell/scripting/gallery/getting-started?view=powershell-6