How to update BIOS

I cannot know how the bios update so I need some help for the how the bios update.I want to install the newest driver but I can't figure out how the driver is in a .02 file and I can't make heads or tails of it can anyone help me?
 
I cannot know how the bios update so I need some help for the how the bios update.I want to install the newest driver but I can't figure out how the driver is in a .02 file and I can't make heads or tails of it can anyone help me?
please post the brand/model of your motherboard... I.e.: ecsg41-tm; intel dh55tc; asrock z77 extreme4
 
Hopefully the OP isn't confusing driver updates with a BIOS update because it isn't clear to me what the issue is.
 
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