As of 2023, the last official AR9285 driver for Windows 7 64-bit was released in (version 10.0.0.344). This driver does not support the latest WPA3 security, but WPA2 remains functional.
Surprisingly, still hosts the AR9285 driver. Use this direct link method: atheros ar9285 driver windows 7 64 bit
It was cheap, ubiquitous, and came pre-installed in the "Daily Deal" laptops that flooded the market when Windows 7 launched. For 64-bit users, this chipset represented a crossroads. Windows 7 was a fantastic OS, but the 64-bit architecture was still fighting for mainstream driver support. As of 2023, the last official AR9285 driver
If you have a driver folder or downloaded a ZIP file that didn't auto-install, you can force the installation manually. As of 2023