Pro Tools

1. Open the Playback Engine Settings

Configure settings by clicking Setup > Playback Engine

2. Select BlackHole as the Playback Engine

Select BlackHole 2ch as your Playback Engine

3. Create a New Track

Go to Track > New

4. Arm the Track for Recording

Enable Track Recording on your new track

5. Start Recording

Click on the Record button then press Play (spacebar) to start recording.