New Asus Q504UA- Windows 10.
Thank you for posting the question here.
The device driver of this adapter has been built into (pre-installed) Windows 8.1 and 10. You should not need to install any device driver - this adapter should start working when plugged in.
Plugable offers 1-year product warranty. Please contact us at support@plugable.com with the Amazon Order ID so that we could help.
Thanks!
Sachiko
Plugable Technologies