Open the game folder and run the InitSetting.exe or the dedicated launcher.
To update your (typically the BetterRepack or similar fan-curated versions), the most effective method is using a combination of the built-in updater tool , KKManager , and the HF Patch .
It is generally safe to install a newer version directly over an older one. Important Compatibility Notes koikatsu partyrepack upd
Note: It is often faster to unpack mods manually from the included mods zip folder rather than using the slow "sideloader" download method.
Click the button to automatically check for and download the latest modpack updates. Open the game folder and run the InitSetting
To apply it, download the .exe and .bin files, run the installer, and point it to your game directory.
The HF Patch (High-Feature Patch) is a massive unofficial update that fixes common bugs and adds new content. The latest version as of mid-2026 is v3.38 . Important Compatibility Notes Note: It is often faster
For updating specific plugins, translations, and sideloader mods, KKManager is the standard utility. Open KKManager.exe and go to the Tools menu.
If you own the Steam version ( Koikatsu Party ), disable auto-updates in Steam. Official Steam updates can break community mods, requiring you to re-apply the HF Patch to fix them.
Enable ; the update button will turn green when new versions are available.