You should only update your BIOS if the new version contains an improvement you need. When you power your computer on, your BIOS takes control, starting the power-on self test (POST) and passing control over to the boot loader, which boots your computer’s operating system.
G750JM.205, 2/11/2014 SMBIOS Version 2.7 BIOS Mode UEFI Base Board Manufacturer ASUSTe K COMPUTER INCNow, if I'm not mistaken, that means this is where I'm supposed to download the latest version:
The BIOS (Basic Input/Output System) is critical to the proper operation of your computer.
It is the first code that is executed at start-up and defines the way your motherboard will communicate with the system hardware components.
Updating your operating system and software is important.
On the other hand, we have previously covered why you shouldn’t generally update your hardware drivers, although gamers will definitely want to update their graphics drivers. BIOS updates will not make your computer faster, they generally won’t add new features you need, and they may even cause additional problems.