How to set up Dual PC stream as well as Dual Audio output both on gaming PC and streaming PC?

To correctly configure your two PCs for streaming, there is some work to do coordinating displays:.
 
1. First, download and install your streaming software (RECentral) on streaming PC
2. Plug the HDMI cable from your gaming PC into the “in” on your capture card
3. On the gaming system, Right click the desktop and select Display Settings. Make sure the streaming system’s capture card shows as a duplicated display from your main gaming monitor
4. On the streaming system, open your installed streaming software and add the capture card as a streaming source.
5.Verify that your gaming display shows in the preview window of your streaming software.
6.You need virtual audio software "VoiceMeeter Banana" (URL: https://vb-audio.com/Voicemeeter/banana.htm) to help you set up Dual Audio output both on your gaming PC and your streaming PC. You can refer to see below video: 
 


7.Audio should come through to the streaming PC via HDMI as well, but verify that is has before proceeding. 

Feb 2021, revised Mar, 2021