There are two very simple ways to boot your PC to Xtra-PC: Use the boot key to start Xtra-PC: Turn off your PC. Insert the Xtra-PC stick into the USB slot of your computer. Then turn your PC on and then hold the boot key of your PC for around 1-2 seconds (most of the manufacturers use F12, F11, F10, F9, F1 or ESC). When the boot menu is displayed select USB HDD (or something similar). Set your PC to boot to USB: Turn off your PC. Turn your PC on and hold the setup key on your PC (most manufacturers use F1, F2, ESC, F9, F10. It’s usually displayed on your screen when the screen first starts.). When the setup menu is displayed, look for the boot menu. Change the boot priority in the settings to select boot from a USB device as the number one priority. Then save the changes you have made. Now restart your PC, and after restarting your PC will automatically look for Xtra-PC. This will not affect your Windows if the device is not in a USB slot. In addition, we provide simple, easy instructions in the user guide or the it Support Knowledge Base that will take you through the process.