With OCCT, ensure that your powerful setup remains stable.

Our comprehensive tests reveal hardware issues, ensuring your optimal performance settings match with reliability.

No more BSOD while playing. Time to git gud !

OCCT was born from an overclocker for overclockers. Enjoy fully customizable tests, including core-by-core CPU testing, varying workload 3D testing and the best Memory test on the market.

Fast and precise, OCCT will alert you to any errors during your optimization journey.

Thanks to an intuitive and modern interface designed specifically for demanding gamers, effortlessly navigate through a plethora of features to optimize your system's performance.

OCCT makes managing your setup as easy as securing a flawless victory in god-mode.

Show off your system's capabilities with OCCT's built-in benchmarks : CPU and Memory scores, and also latency & bandwidth measures.

You will know the impact of your recent tinkering and compare to others.

In the realm of esports, computer stability is non-negotiable, for players, streamers and casters alike. Our solutions ensure that each PC's performance is consistent and reliable shielding you from potentially disastrous issues.

Your hardware will tank all the spells of the best Pro players of the world.

Join our active and tightly-knit community where enthusiasts gather to discuss OCCT, gaming,overclocking, stability, and performance.

Engage with like-minded individuals on our Discord server and dive into lively conversations about all things related to OCCT and beyond.