Unpack ISO-image to FAT-32 flash drive with 7-zip

or open it in Windows 10 Explorer and copy to this flash drive,
run utils/win64/makeboot64.bat on THIS flash drive

to make it bootable.

Boot your system from this flash drive in not UEFI mode and, on request,
press key “Y” and “Enter”, then again “Y” and “Enter”.

Detailed guide to booting


Screenshot of this old software: