I have asus rog maximus xi extreme motherboard. The site is not updated anymore. How or where can I update the driver?

*1 When SATA56 is enabled, PCIE x 16_3 will run at x2 mode. *2 The DIMM.2 Slot (M.2_1/2) are disabled by default. Please adjust BIOS settings to enable DIMM.2 Slots.When DIMM.2 slot is enabled, PCIex16_1 will run at x8 mode. Please refer to BIOS manu...