: These old builds are usually distributed as ZIP or RAR archives. You will need a program like or WinRAR to unzip them into a folder. Running the Game : Once extracted, double-click YandereSimulator.exe to play. You do need the modern launcher for these old standalone files. Anti-Virus Warnings
Since the official site only hosts the latest version, you must use community archives to find 2015 files. Internet Archive (Old Build Collection) Yandere Simulator 2015 Build Download LINK