The open-source community (especially on GitHub and forums like Reddit and TechPowerUp) has repackaged the last known working Qualcomm drivers with modified .inf files to bypass hardware ID checks. While not "official," these are often the only solution for generic unbranded Chinese dongles.
Forget automatic installers. The most reliable way to install the AR9271 driver on Windows 10 is the . Here is how to do it with the Qualcomm reference driver. atheros ar9271 driver windows 10
This is the most "official" way. You can search for "AR9271" on the Microsoft Update Catalog to find certified drivers. The open-source community (especially on GitHub and forums