However, because FAT32 has a critical file size limit (4GB), a for modern Windows 10 ISOs (which contain a install.wim file larger than 4GB).
Format: FAT32 (for the bootable partition) what format for windows 10 usb
| USB Size | Required Format | Why? | | :--- | :--- | :--- | | | FAT32 | Required for UEFI boot (modern PCs). | | 64GB or larger | FAT32 (Still) | Windows will force FAT32 for UEFI boot, but you lose the extra space. | However, because FAT32 has a critical file size