If you own the base game on Steam, the DLC is often added to your account automatically or can be toggled in your library's DLC list.

Rather than searching for a standalone executable ( .exe ), the safest and most standard way to access this content is through the base game's official store pages.

The game is designed for Windows 7, 8, 10, and 11. Cant download free DLC :: Party Hard Bug reports

It adds a new "Van Helsing" themed playable character, a new level set in a haunted castle, and a trusty dog companion.