First of all.. sorry for my bad English... let me ask the Question... Can i integrate both images in my USB Multiboot? (I Use GRUB4DOS for boot some programs such Hirens boot, WifiWay, Parted Magic, some Linux distros, etc...) But i tried to integrate both images, and never works... Only i could use windows 8.1 boot.wim for install windows 7 or 8.1 and it works... But when i do... -Integrate Windows 7 and 8.1 images in same install.wim it fails after install... -Integrate Windows 7 and 8.1 imagenes in different wim... it don't read 1 of them. -Use 2 different wim or swm with different name that "install.wim"... it don't read any of them -Insert Windows 8 files inside source64 directory... device controller fails I don't know that i can do for run it! Please, help me!