ABSTRACT The design and configuration of MULTI-BOOT windows BART - Pre-Installation Environment (BART-PE) bootable CD and Flash drive bootable disks below was achieved using BCD file which seek to help in solving the recurrent cases of loss of documents and files when A PC has been attacked by dangerous virus or that the system could no longer boot to window. This design and configuration is purely for installation, maintenance and repair purpose. A. MULTI-BOOT windows comprising of windows 8, windows 7 and window vista. B. BART-PE bootable CD used for files and document recovery during emergency cases when a PC cannot boot to windows.