Windows 10 natively supports the Intel H81 chipset. When you install Windows 10, the operating system will automatically fetch and install working drivers for this motherboard via Windows Update. If any component fails to work, downloading the Windows 8.1 64-bit driver from Acer’s site and running it in Compatibility Mode usually resolves the issue.
If you would like to optimize this machine further, tell me your current or if you need help finding a specific BIOS update for hardware upgrades. Acer H81h3-am Drivers
If you only need to update a single driver (e.g. after a Windows reinstallation), you can use Device Manager: Windows 10 natively supports the Intel H81 chipset
: For Windows 10 and 11, many of these older drivers (H81 chipset era) are included in Microsoft's database. Go to Settings > Update & Security > Windows Update and check for "Optional Updates". H81H3-M｜Motherboard｜Products - ECS ELITEGROUP If you would like to optimize this machine
Since Acer does not provide Windows 10/11 drivers for this older board, you should obtain them from the original component manufacturers. The key drivers and where to find them are listed below.