How to boot from USB instead of HDD or CD-ROM

Hello guys i f you want to install a downloaded windows from a USB you need to change your boot setting from bios. So if you want to do so, you just need to follow the following steps :

First of all you need to set the boot priority for a USB device and also don't forget to plug the device into a USB port of your computer.

1. Start your computer and also press the ESC, F1, F2,F8 or F10 during the initial start up screen. This key usually depends on your computer's bios manufacturer.
2. After that choose BIOS setup and enter it.  The BIOS setup page utility will appear on your screen.
3. Then use the navigation arrow keys to select the BOOT tab from bios utility page. System devices will appear in order of priority.

So if you want to give a USB device boot sequence priority over the hard drive,  you just need to follow the sub-steps in the following : 

• Just move the hard drive device to the top of the boot sequence list.
• Expand the the option of hard drive device to display all hard drives.
• After that you need to move the USB device to the top of the list of hard drives.

1. After all Save and exit the BIOS setup utility.
2. And in the last computer will restart with the changed settings.