Install Windows x64 on a 32-bit UEFI (EFI-IA32) Using GRUB
Installing Windows x64 on a 32-bit UEFI (EFI-IA32) Using GRUB -- Installing Windows x64 on a 32-bit UEFI (IA32) system is possible by using GRUB as an intermediary, since this UEFI cannot directly execute the native 64-bit boot loader (`bootx64.efi`). The procedure consists of creating a standard Windows x64 installation USB stick and then modifying it. You must add a GRUB boot loader compiled for IA32 by placing the `bootia32.efi` file in the `/EFI/BOOT/` directory of the USB drive, which will be the first file to be executed. Along with it, a `grub.cfg` configuration file is created. Inside this file, the `chainloader` command is used to point and load the Windows x64 boot loader (`/efi/boot/bootx64.efi`). Upon boot, the system first loads GRUB (32-bit compatible), which in turn boots the 64-bit Windows installer, bypassing the firmware architecture limitation.
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