Unlike its bigger brother (the UMC204HD/404HD), the UMC22 does use Behringer’s custom ASIO driver. Behringer does not provide a downloadable .exe driver for the UMC22.
The only official downloads Behringer provides for the UMC22 are: behringer umc22 driver download
If low-latency performance is critical for your work, consider upgrading to the UMC204HD (which has true Behringer ASIO drivers). But for most beginners and streamers, the UMC22 + ASIO4ALL works perfectly. Unlike its bigger brother (the UMC204HD/404HD), the UMC22
The UMC22 works immediately with Core Audio. No driver or ASIO4ALL is needed. Just plug it in, select it as your input/output in System Settings or your DAW, and you’re done. Unlike its bigger brother (the UMC204HD/404HD)