In most cases, the Windows 10 driver works perfectly on Windows 11. However, check the Asus support page for your model – if a “Windows 11” driver is listed, download that.
There is no separate “UPD” driver. The term is shorthand for an updated version. Always download the latest driver from Asus, not a third-party mirror labeled “UPD.” --- Asus Sonicmaster Audio Driver Download UPD