Surprisingly, removing the crowd does not ruin the game as much as one might expect.
Most tools only disable the visual models; you will likely still hear the crowd cheering and chanting even if the seats are empty. pes 2016 crowd disabler tool
For users running on low-end PCs or laptops, disabling the stadium crowd is a common and effective way to boost FPS and reduce lag. While the game's official settings don't offer a direct "off" switch for crowds, modding tools are the standard solution. Top Resources for Crowd Disabling PES-Patch & Community Tools Surprisingly, removing the crowd does not ruin the