Since the manufacturer’s site is often missing:
A) Use generic Intel H61 drivers
B) Find LAN & Audio by hardware IDs
C) DriverPack / SDI (cautiously)
Open Command Prompt as Admin:
dism /online /export-driver /destination:D:\ZX_H61C_Driver_Backup
Follow this sequence to avoid conflicts. This assumes you have created a folder named ZX_H61C_Drivers on your desktop. zx h61c v2.3 driver