The BIOS (basic input/output system) firmware is being replaced by the UEFI (Unified Extensible Firmware Interface) standard interface for PCs – designed to improve software interoperability and ...

Rufus is an open-source program that creates bootable USB sticks for Windows installation and more. Compared to Microsoft’s Media Creation Tool, Rufus offers many more options for configuration setup.

Or, maybe the easiest thing of all would be to just keep the 2TB plugged in as the "backup" OS drive, and just make the 4TB drive a pure data volume? Wipe it so there are no boot files at all and just ...