Many users start with the trial version of VAC, which introduces periodic static noise (a "nagging" sound) after a 30-day period. The designation in this release signifies that all time bombs, nag screens, and noise injections are permanently removed. It is the full, unlocked commercial product.
: In your source application (e.g., a browser or music player), set the output device to Line 1 (Virtual Audio Cable) Configure Recording