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FULL OCCT Pro 4.3.1: A Comprehensive Guide to Stress Testing Your PC Components

FULL OCCT Pro 4.3.1

OCCT Pro 4.3.1 is a powerful and versatile tool that can help you test, benchmark, monitor and optimize your PC performance. Whether you are a gamer, an overclocker, a system builder or a troubleshooter, OCCT Pro 4.3.1 can provide you with valuable insights and feedback on your PC's stability and performance.

FULL OCCT Pro 4.3.1


What is OCCT?

OCCT stands for OverClock Checking Tool, and it is a free software that has been developed by OCBASE since 2003. OCCT is designed to test the stability of your PC by applying various types of stress tests on your CPU, GPU, RAM, power supply and cooling system. OCCT can also monitor your PC's temperatures, voltages, frequencies, fan speeds and power consumption in real time, and generate detailed graphs and reports for analysis.

What is OCCT Pro?

OCCT Pro is the premium version of OCCT that offers more features and benefits for advanced users and professionals. OCCT Pro 4.3.1 is the latest version of OCCT Pro that was released in October 2021. Some of the main features and benefits of OCCT Pro 4.3.1 are:

  • Unlimited testing duration: You can run any stress test for as long as you want, without any time limit or restriction.

  • Customizable testing parameters: You can adjust the settings of each stress test to suit your needs and preferences, such as the number of threads, the memory allocation, the resolution, the FPS limit and more.

  • Advanced monitoring options: You can choose which sensors and data you want to monitor and display on your screen, and customize their appearance and layout.

  • Multiple testing modes: You can run multiple stress tests simultaneously or sequentially, with different settings for each test.

  • Remote control: You can control OCCT from another device via a web browser or a mobile app, and access all the features and functions remotely.

  • Data export: You can export your monitoring data and graphs to various formats, such as CSV, PNG, HTML and PDF.

  • Priority support: You can get faster and better support from the OCBASE team via email or chat.

How to use OCCT Pro 4.3.1?

Using OCCT Pro 4.3.1 is easy and intuitive. Here are the basic steps to use OCCT Pro 4.3.1:

  • Download and install OCCT Pro 4.3.1: You can download OCCT Pro 4.3.1 from the official website of OCBASE ( The installation process is simple and straightforward, and you can choose between a portable version or a setup version.

  • Launch OCCT Pro 4.3.1: Once you have installed OCCT Pro 4.3.1, you can launch it from your desktop or start menu. You will see the main interface of OCCT Pro 4.3.1, which consists of four tabs: Test, Monitor, Options and About.

  • Select a stress test: In the Test tab, you can select which type of stress test you want to run on your PC. There are six types of stress tests available: CPU:OCCT, CPU:Linpack, GPU:3D, GPU:Memtest, Power Supply and VRAM.

  • Configure the test settings: In the same tab, you can also configure the settings of the selected stress test, such as the duration, the mode, the parameters and more. You can also create custom profiles for different tests and save them for future use.

  • Start the test: When you are ready to start the test , you can click on the ON/OFF button at the bottom right corner of the interface . The test will begin and you will see a countdown timer on the screen .

  • Monitor your PC: In the Monitor tab , you can see various information about your PC's status during the test , such as temperatures , voltages , frequencies , fan speeds and power consumption . You can also see graphs that show the evolution of these data over time .

  • Stop the test: When you want to stop the test , you can click on the ON/OFF button again or press ESC on your keyboard . The test will stop and you will see a summary report on the screen .

  • Analyze the results: In the same tab , you can also analyze the results of the test in more detail by clicking on different buttons at the bottom of the interface . You can see errors detected by OCCT (if any) , view full-screen graphs (with zooming and panning options) , export data (to CSV or PNG) or export graphs (to HTML or PDF) .

  • Repeat or change tests: If you want to repeat the same test or change to another test type or setting profile , you can go back to Test tab .

Why use OCCT Pro 4 .3 .1 ?

OCCT Pro 4 .3 .1 is a useful tool for anyone who wants to improve their PC performance and stability by testing different components and settings under various scenarios .

Some of the reasons why you might want to use OCCT Pro 4 .3 .1 are :

  • To check if your PC is stable : If you experience crashes , freezes or blue screens on your PC frequently , it might indicate that your PC is unstable due to hardware issues or software conflicts . By running stress tests with OCCT Pro 4 .3 .1 , you can identify which component or setting is causing instability and fix it accordingly .

  • To optimize your PC performance : If you want to get more performance out of your PC , especially for gaming or other demanding tasks , you might want to overclock your CPU , GPU or RAM . By running stress tests with OCCT Pro 4 .3 .1 , you can find out how far you can push your hardware without compromising stability or safety , and fine-tune your overclocking settings accordingly .

  • To benchmark your PC performance : If you want to compare your PC performance with other PCs or with previous configurations , you might want to run benchmarks that measure different aspects of your PC performance , such as speed , graphics , memory , etc . By running stress tests with OCCT Pro 4 .3 .1 , you can generate reliable and consistent benchmarks that reflect your PC performance under realistic conditions .

  • To monitor your PC health : If you want to keep track of your PC health over time , especially if you have an older or heavily used PC , you might want to monitor various indicators of your PC health , such as temperatures , voltages , power consumption , etc . By running stress tests with OCCT Pro 4 .3 .1 , you can monitor these indicators in real time and detect any abnormality or deterioration that might affect your PC health .


OCCT Pro 4 .3 .1 is a comprehensive tool that can help you test , benchmark , monitor and optimize your PC performance . It offers unlimited testing duration , customizable testing parameters , advanced monitoring options , multiple testing modes , remote control , data export and priority support . It supports various types of stress tests for different components of your PC . It is easy to use and provides detailed results and reports for analysis .

performance and stability, then OCCT Pro 4.3.1 might be what you need.


Here are some frequently asked questions about OCCT Pro 4.3.1:

  • How much does OCCT Pro 4.3.1 cost?

OCCT Pro 4.3.1 costs $29 for a lifetime license that includes all future updates. You can also get a discounted price if you buy multiple licenses at once.

  • How do I get OCCT Pro 4.3.1?

You can get OCCT Pro 4.3.1 by visiting

  • What are the system requirements for OCCT Pro 4.3.1?

The system requirements for OCCT Pro 4.3.1 are:

  • Windows Vista SP2 / Windows 7 / Windows 8 / Windows 10 (32-bit or 64-bit)

  • DirectX9 / DirectX11 / DirectX12

  • Microsoft Visual C++ Redistributable Package

  • A CPU with SSE2 support

  • A GPU with OpenGL support

  • How do I contact support for OCCT Pro 4.3.1?

You can contact support for OCCT Pro 4.3.1 by visiting

  • Where can I find more information about OCCT Pro 4.3.1?

You can find more information about OCCT Pro 4.3.1 by visiting

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