Grub config to boot windows iso content

grub.cfg

default=1  
timeout=15

menuentry "Start Windows Installation" {
    insmod ntfs
    insmod search_label
    insmod search_fs_uuid
    search --no-floppy --set=root --fs-uuid <uuid>
    ntldr /bootmgr
    boot
}

menuentry "Boot from the first hard drive" {
    insmod ntfs
    insmod chain
    insmod part_msdos
    insmod part_gpt
    set root=(hd1)
    chainloader +1
    boot
}