Download Dual boot Windows 8 with Linux

5. Before you go any further, it may be an idea to try and run the Linux
LiveCD to check it will run on your laptop and keyboard and screen
display operate. You may need to use a function key to get a boot menu,
or maybe even enter the bios to add usb to the boot order. You will need
to disable fast startup (see later) and you may also need to disable
secure boot as well.
Boot From Removable Media
To boot your computer from removable media — for example, to boot a Linux live USB drive — you’ll need to access the
boot options screen. Select the Boot Device option and choose the device you want to boot from. Depending on the
hardware your computer has, you’ll see a variety of options like USB drive, CD/DVD drive, SD card, network boot, and so
on.