Windows 10 and 11 are very good at automatically detecting the Realtek ALC662.
Given the obsolescence of official support, three primary sources exist: Esonic H61 Motherboard Audio Driver
Recommended stable driver for Windows 10/11: Realtek HD Audio Driver 6.0.9239.1 (or later UAD drivers with HDA fallback). Windows 10 and 11 are very good at
The Esonic H61 does not officially meet Windows 11 TPM 2.0 requirements. However, if installed via bypass, the audio driver requires: Given the obsolescence of official support, three primary
The vast majority of Esonic H61 motherboards utilize the Realtek ALC662 audio codec. This is a 5.1-channel High Definition Audio Codec designed for entry-level and mid-range systems. Because of this, you do not actually need a specific "Esonic" driver; you need the correct Realtek driver.