How to install windows 8 without usb

- How to install windows 8 without usb or cd
- How to install windows 8 from usb
- How to install windows 8 from usb in hp laptop
- How to install windows 8 from usb in lenovo laptop
- How to install windows 8 from usb rufus
- How to install windows 8 from usb step by step with pictures
- How to install windows 8 from usb from bios
- How to install windows 8 from bootable usb