Step1: Formating USB Flash Drive Please note that, all data on your usb flash drive will be lost. Before doing this step, don't forget to backup your files on the usb flash drive. 1. Connect a 512 MB or above flash drive. 2. Download and run USB Disk Storage Format (34 KB). Follow the steps in the screenshots below: Step2: Installing Grub4Dos to USB Flash Drive Download grub4dos.zip (187 KB) to desktop. Follow the steps below: 1. Right click to the zip file and click 'Extract All...' 2. Click Next 3. Click Next to extract archive contents 4. Click Finish Now open 'grub4dos' folder created on your desktop. Run 'grubinst_gui.exe' inside of grub4dos folder and follow the steps below: 1. Run grub4dos 2. Click 'Run' on if you face with a Security Warning window 3. If you are not sure which disk is your USB Flash Drive, select the drive with the same size with your USB flash drive. 4. ...