I don't have the installation media, unless it's on a partition on the hard drive.

Thank you for your response. Let's assume that I go with the not recommended option, and remove the Microsoft Store from all accounts.

What then would be my next step, to reinstall it?

Hello, I was receiving an error whenever I attempted to install an application via the Microsoft Store after receiving my brand new Surface Book. I found a fix to my specific issue here. The relevant...