Installing Windows from scratch isn't necessarily a hard thing to do ... and this type of BIOS only worked with disks formatted to use the MBR (Master Boot Record) partition style.

The Master Boot Record (MBR) is a critical data structure found in the first sector of a storage device like a hard disk. It contains the boot loader and partition table, determining the location ...

If you encounter the error message Windows cannot be installed to this disk, The disk may fail soon when attempting to install Windows 11 or Windows 10 on your device ...

The format used to define the hard disk partitions in computers with UEFI startup firmware. The GUID Partition Table (GPT) replaces the previous master boot record (MBR). GPT partitions can hold ...