How to fix horizontal screen tearing in Horizon Zero Dawn?

Running this masterpiece in 4K was a dream, but every time I turned quickly to face a machine, a blatant horizontal tear sliced through the screen. I tried enabling V-Sync, but input lag jumped to over 50ms per Nvidia Reflex, making the controls feel sluggish. I used the GamePP DLSS/FSR Image Sampling Calibrator to lock the sampling rate at 1.5x. MSI Afterburner recorded a stable 72-78 FPS, GPU-Z showed VRAM usage at 11.2-13.5GB, and AIDA64 measured 68-74℃. This is the switch