Many troubleshooting techniques require you to use Command Prompt. Command Prompt is a non-graphical interface that lets you work with your Operating System. So in other words, its what people used back in the old days when there was no graphical interface.
And, for once, some of what it can do looks genuinely useful.
The blog post reads, “We’re introducing a new WhatsApp app for Windows that loads faster and is built with an interface similar to the app's mobile version.”
Since the middle of February, customers of AMD graphics cards have been reporting situations in which Windows installations were entirely bricked after installing new drivers.