Having trouble getting to DSD256

[jussi_laako (Jussi Laako (Signalyst))]

@ffk

@jussi_laako is there a version of hqplayer 4 available for download that I could use on 10.13.6 if I purchased v4?

No, generally macOS is supported for latest and latest - 1 versions. So you should stay up to date with macOS, at least up to latest - 1.