OCCT is Untested on macOS
OCCT has not yet been tested on macOS.
About OCCT
OCCT (OverClock Checking Tool) is the best software for testing system stability, diagnosing hardware issues, and monitoring performance. Whether you're an overclocking enthusiast, a technician, or just want to ensure your PC is running smoothly, OCCT provides a powerful suite of tools to push your hardware to the limit.


- Processor (CPU) – Evaluate your CPU’s stability and performance with various test modes.
- Graphics Card (GPU) – Push your GPU to its limits with DirectX and CUDA-specific stress tests.
- Memory (RAM) – Detect potential errors by putting your RAM under heavy load.
- Power Supply (PSU) – Simulate extreme power consumption to assess PSU reliability


With OCCT’s Stability Certificates, you can validate your system’s stability like never before. After passing a complete series of stress tests, receive a personalized, shareable certificate proving your hardware's robustness. Perfect for benchmarking, troubleshooting, or simply showcasing the performance of your setup.



OCCT includes a powerful monitoring system that tracks:
✔ Temperatures (CPU, GPU, VRM…)
✔ Clock speeds and voltages
✔ Resource usage
✔ Sensor data (fans, power consumption, etc.)

After each test, OCCT generates in-depth reports to help you analyze performance and detect potential hardware issues.


With a modern and easy-to-use design, OCCT is perfect for both beginners and advanced users.
macOS Game Tests
OCCT tested on macOS.
OCCT is not natively supported on macOS. See below for potential ways you can play it that have been tested.
OCCT hasn't been tested yet on macOS.

