Sorry about the title above, but a descriptive title would be too long to fit.

How can I make a non-admin account that inherits the settings and the look and feel of my existing admin account -...

I am logged into the same account. There is no Windows.Old folder - I think I deleted it, woops. The documents and downloads folders were in the default locations and had never been moved.

If you...

I recently reset my Windows 10 (latest update) PC and selected Keep My Files. When the reset had finished my Documents and Downloads folders were gone. Is this behavior by design? Would the Reset...

That is absolutely the clincher. GPT it is.
Thanks.

This is the common wisdom, but untrue. Western Digital ships new 4TB external drives initialised to MBR. I'm not mistaken. I checked three different ways to see it was MBR.

I plugged my new, empty Western Digital 4TB external drive into my old PC, and it is a MBR HDD. The PC is too old to have UEFI. I want the drive to be as reliable as possible and to work on my new...