OCCT 12.1.15

OCCT.exe | 192.17 MB | VirusTotal Scan report
Release DateFebruary 19, 2024
PublisherOCCT - https://www.ocbase.com - France
Publisher's Description

OCCT is the most popular all-in-one stability check & stress test tool available.

It generates heavy loads on your components while checking for errors, and will detect stability issues faster than anything else.

OCCT embeds HwInfo's monitoring engine to get precise readings and diagnose issues faster.

The ultimate stability diagnostic

Test every component of your PC using 6 powerful, efficient tests ! CPU, Memory, GPU, VRAM, Power supplies, every critical component can be tested.


View the insides of your computer using OCCT's built-in monitoring and system information engine, based on the award-winning engine HwInfo64.


Done overclocking ? Compare your results using OCCT's built-in benchmarks for CPU and Memory !

Protect your computer

Even if components are nowadays well protected against overheating, OCCT includes another layer of security by allowing you to set a maximum temperature threshold.

The most advanced CPU test available

OCCT's CPU test is the most advanced out there. Capable of detecting stability issues in seconds, it can do per-core testing and allow you to customize the instruction set used and the data size. You're an expert ? Look no further.

A displayless, customizable 3D test

Need to test GPUs without a display, like in your cryptomining farm ? OCCT has the only 3D stress test that runs without a display attached. You can also limit the 3D test load to stay under the limits of your particular GPU.

Fully portable

No installer or useless stuff like this. OCCT is a single-file executable. Whether it is on your desktop, a USB flash disk, or a network folder, OCCT will run with a simple double-click !