Invisible drive on MacOS

I’ve got a Dell laptop running Big Sur just fine from an external USB 3 drive. Surprised on fast it is. The reason why I’m running or from the external drive is that, the internal HD has windows on it, and it was a company laptop that the company gave it to me once they replaced my work windows machine with a new one. Problem is, I can’t go into windows and format the drive because I don’t have the admin password. I can only use windows as an unprivileged user.

While running macOS , the internal HD doesn’t show on dia utility. I wanted to format the drive on MacOS to then install it on the internal HD. Anyway to do it o macOS?

submitted by /u/John_val
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