Using online fixes on your primary Steam account carries a risk of a community ban, though many users utilize "throwaway" accounts to mitigate this.
The original game launched on September 20, 2023 . Party Animals v1.0.3.0-0xdeadc0de
This version usually requires the Online-Fix to be installed alongside the base game files to bypass the Steam license check. Common Issues and Fixes Using online fixes on your primary Steam account