" step by step to create win 8 to boot from usb using grub for dos "

Tutorial How to build the Ultimate Bootable Custom USB Flash Drive with Multiple ISOs for Windows, Linux, Etc, and PortableApps for Windows Desktop.

If you’re like me at all you probably have more flash drives than you want to carry around, especially when they could all probably fit on one.  After my old 64GB flash drive took a dump I decided to purchase a new 64GB flash drive with USB 3.0 and compatibility for USB 2.0 and USB 1.1.  When I got the new flash drive I was determined to figure out a way to get rid of my bulky CD case and just carry this one drive around with me.  That means getting rid of all my Windows 7, Windows XP, Windows 8, Server 2003, Server 2008, Ubuntu 12.04, Linux Mint 13…I think you get the point.  The problem is there’s no real easy way to create a flash drive that can store all of these, and boot into any of your choosing, and still be functional under Windows when using it for troubleshooting or repairing workstations…until now. (more…)