You are not sure how to play recorded files.
Hi-Res Audio Recorder is simply a recording application. It is not capable of playback.
To play recorded files, you need to transfer the files to an audio device that supports high resolution audio playback or install a music playback application that supports high resolution audio playback on your computer.
The following are recommended for playback.
- High-resolution audio playback devices: UDA-1, CAS-1
High-resolution audio playback applications: Sony | Music Center for PC