Win 10 Drivers and BIOS for Asus CM 1855 Motherboard

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I have an old CM 1855 PC that is in pretty bad shape. However, the motherboard is in fine shape and works well. The webpage for the CM 1855 only lists drivers up to Win 8.1 (even tho they have a sign that say they recommend Win 10 for this PC).
I want Win 10 drivers and a BIOS update. Where can I get those? Thank you.

Associated question: Does this mATX ASUS M5A97 EVO motherboard use the same drivers and BIOS updates as the ATX ASUS M5A97 EVO shown here: M5A97 EVO | Motherboards | ASUS USA