How to update asrock z68 extreme 4 gen 3 bios?

I followed their instructions but it didn't work...?

1. Formatted USB to FAT 32.

2. Put Bios File on there.

3. Reboot

4. Spam F6

5. Goes into utility, suddenly exits.

6. Boots into Windows.

7. Attempt again.

8. Format USB to FAT 16

9. Extract bios file to USB

10. Reboot

11. Press F6 During Boot Up.

12. Flashes for 1 second in utility, then boots into windows.

13. ME:
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