Here's how to do it: frustrating restarting your computer over and over if you keep missing the BIOS version notation.
Updating BIOS isn't something you do manually, not completely anyway.
In most cases, you'll use a special BIOS update tool supplied by your computer or motherboard manufacturer to do the job.
Here's how to check the BIOS version with Microsoft System Information: If Speccy or another "sysinfo" tool doesn't work out for you, or you'd rather not download and install software, you have one last method for checking your computer's BIOS version.
Last but not least, and probably not that surprising to those of you in the know, a lot of information about BIOS can be found logged in the Windows Registry.
Make sure however, that you always get the BIOS executable and NOT the Windows executable.
You then have one of two options: create a ISO or install the image for your bootloader.
This article aims on providing information on flashing your system BIOS under Linux.
Most manufacturers provide a Windows executable or a BIOS executable that can only be run under Windows.
Not only is the BIOS version usually clearly listed in the registry, so is often your motherboard's maker and your motherboard model number.