On 8/25/22 10:19 AM, MichaelBi wrote: > I downloaded the new dmd 2.1 on Mac, but with fail message of > "unsupported Arch arm64". how can I do? thanks. DMD is x86 only. M1 macs can run x86 via rosetta. I haven't had this specific problem. Can you list the actual commands you are running, and the output from the system? -Steve