masket

hi I have a Msi gx680 laptop. I install on it Win 8.1 but turbo and many of laptops feature not work also there is no bios for win 8.1 on msi site can you help me to unlock my laptop bios I like win 8.1 and don't want return win 7. the original bios for my laptop: http://download.msi.com/bos_exe/16F2_10Z.zip