NK2 Tray isn't a solution for every volume-related problem that comes along. In this case, some people may already own a Stream Deck and are not interested in buying additional hardware. This document describes, in brief, how someone with a Stream Deck can set up per-application volume control. It's a bit clunky, but it works!
- Go to https://www.nirsoft.net/utils/nircmd.html and scroll to the bottom to download NirCmd (probably the 64 bit version)
- Extract your NirCmd download and right-click nircmd.exe and select
Run as administrator
- When it opens, it should pop up a dialog box. Click
Copy To Windows Directory