Le système à besoin de :
The minimum requirements to install ReactOS are:

    RAM: at least 96 MB, recommended: 256 MB
    Processor: x86 or x64 architecture, Pentium or later and compatibles; for more information see ReactOS ports
    HDD: IDE/SATA with minimum 650 MB of free space on the primary partition (please note that some SATA controllers may not work with ReactOS)
        FAT16/FAT32 primary boot partition
    Video: VGA compatible video card (VESA BIOS version 2.0 or later)