If you intended to download the actual game for your computer, you can find the most recent builds here: Download it from Uptodown for free - Yandere Simulator
This is the closest you will get. While it is primarily a chaotic sandbox (like a mobile GTA set in a school), you can roleplay as a yandere. You can pick up weapons, follow a crush, and "eliminate" rivals. It is updated weekly and has millions of downloads. yandere simulator download updated android uptodown
Ethics & Tone: Yandere Simulator is intentionally provocative and not for everyone — it traffics in violence, dark humor, and obsession. If you’re sensitive to depictions of stalking or school-based violence, steer clear. For players who enjoy morally ambiguous, experimental indie titles, it’s a provocative, conversation-starting experience. Yandere Simulator: How to Download the Updated Version