When Windows breaks badly, GUIs won't save you.

If it isn't encrypted by default, I don’t want it anywhere near my terminal.

The following are the various command-line tools that you can use to do various functions with Microsoft software update packages. This command-line tool helps you get help in the form of a dialog box ...

The Windows tool Diskpart overwrites all data on the hard drive with a zero, which is considered a secure deletion method. This applies at least to classic hard drives, i.e. HDDs with magnetic discs.