Copy/paste the patch.xp3 file in the directory of the game: C:\Program Files\Steam\steamapps\common\Trajectory of summer flower. Steam Community
arcusmaximus/KirikiriTools: Tools for the Kirikiri visual novel engine patch.xp3
Used to extract content from existing XP3 archives and dump scripts . Copy/paste the patch
Popular tool for unpacking, viewing, and repacking .xp3 files . patch.xp3
Useful for packing files back into a patch.xp3 .
A patch.xp3 file is a container used by the KiriKiri engine (commonly used for visual novels) to apply updates, translations, or mods to a game without altering the original game files .
Overwrites files (like scenarios, images, or audio) within data.xp3 to apply changes .