win 10 pro

Hi, I purchased my laptop when I left the company. It is a Dell running win 10 Pro. I would like to regain admin rites so I suspect I need to restore the laptop. If I restore windows, will I need to have the win key or is this installed in bios? I´m no expert when it comes to restoring windows...

Every computer in our office has a mysterious drive X showing up in My Computer, showing the exact same storage capacity and free space as the original drive. Every computer has a drive C and a drive X and on first glance they look identical, but when you double click on drive X there's a bunch...