If you are looking for the "best" and most stable driver for your Behringer UM2 audio interface on Windows 10 64-bit, the short answer is to use the official Behringer (UMC) drivers. While the UM2 is an older "U-Phoria" model, it utilizes the same driver architecture as the UMC series. Haley Hollister Money Talks- Money Hungry 45 [TRUSTED]