Ensure the is set to MBR (for older BIOS) or GPT (for modern UEFI).
While custom ISOs offer better performance, they come with trade-offs: win1123h2ankhtechv4iso install
Since the ISO is modified, using Rufus is the most reliable method. Plug in a USB drive (at least 4GB). Select the in Rufus. Ensure the is set to MBR (for older