This remains the gold standard. Go to the official Acer Support website and enter your model.
: Intel(R) Chipset Software Installation Utility. This should be the first driver installed to ensure other hardware is correctly identified. Acer H81h3-am Drivers
For a fresh installation, install the drivers in this recommended order: This remains the gold standard
Since this is an OEM motherboard, the most reliable source for drivers is the official Acer Support Page Official Method Acer H81h3-am Drivers
, as these are the specific desktop models that use this board.