Originally Posted by
Alvie
Connect a USB stick to a different computer that already has Windows installed on it
Go to the second link kalniel posted:
(Sorry, I cannot post links as this is only my third post)
Click 'Create Media'
Follow the instructions
When finished, take out the USB flash drive
Put the USB flash drive in the laptop
Turn the laptop on and get into the BIOS (usually by spamming delete or f2 - usually says at the bottom)
Change the boot priority to boot from USB.
Save and exit
Follow instructions
Windows 8.1 Installed!