For update Bios you can use this video is for different motherboard but it's very similar https://www.youtube.com/watch?v=z2Seja1t4Lw
These are the current drivers on the official website: https://www.asus.com/us/Motherboards/MAXIMUS_VII_HERO/HelpDesk_Download/
I also notice some of these haven't been updated since 2016.
The bios is also on a beta version since 2018.
Here are the latest drivers/firmware for your motherboard :
- Update your Intel ME firmware : [FIRMWARE] Intel ME (Z97/X99)
- Update your Intel Chipset/Ethernet/MEI/SATA drivers : [DRIVERS] Intel Chipset/Ethernet/MEI/SATA (6x/7x/8x/9x)
- Update your ASMedia SATA drivers : [DRIVERS] ASMedia SATA
- Update your Realtek Audio drivers : [DRIVERS] Realtek Audio (HDA | 6x/7x/8x/9x/1xx) (you need Realtek Audio Drivers (HDA - ASUS ROG SSx). Follow scrupulously the INSTALL process (with cleanup step) of ASUS ROG SS1/SS2 motherboards category)