OCCT Professional Download

OCCT Professional solutions cater to businesses, offering advanced features and support

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Download OCCT Pro v17.1.2

Download the latest stable version of OCCT, the leading software for overclocking and stress testing your PC.

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Latest news

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Fixed a bug where the CPU Test and the CPU + RAM test would kill each other if both selected in a combined test

Idle timer reserved for GPU test initialization is now disabled when no GPU test is selected in a combined test

Fixed an issue where the update process would fail to launch the downloaded version on Linux (This will only apply when updating from 17.1.2 or later)

Fixed an issue where OCCT would refuse to use some skins in the diagnostic edition

Improved the tests crashing behaviour, crashes will be reported immediately instead of waiting for a timeout, and provide more diverse error codes

Tightened test launching process to improve security

Lowered our requirements on Linux - we now support Debian 10-era distributions. This includes about all currently supported linux distributions, including LTS redhat

Improved reliability for GUI / Test communication to better diagnose issues

Added IPMI monitoring sensors on Linux

Fixed : Core cycling under Linux was using the wrong physical/virtual core pairs

Reviewed and optimized both Latency and Bandwidth measurements for added precision and less variance across results

Updated Unreal Engine from 5.4 to 5.7.4, Improving power consumption at the cost of Memory usage.

Performed a cleanup on dependencies, reducing OCCT binary size (10-20MB) and slighty reducing 3D Adaptive startup time.

Fixed : Restoring the proper UI priority would not work on Linux

Fixed : The latency / Bandwidth benchmark would not work correctly on Linux

Fixed non-deterministic behaviours that might lead to crashes

Slightly optimized write blocks

OCCT v17.1: Expanded Linux Compatibility, Updated 3D Adaptive Test & more

2026-09-09

Read more
OCCT v17 Stable Now Available: New Memory Test Presets, Launcher and optimizations

2026-06-30

OCCT v17 Beta: New Memory Test, Major Optimizations, and A Community Contest

2026-05-22

A complete suite of editions

OCCT professional editions are designed to meet the needs of professionals and businesses: from advanced features to dedicated support, from Windows/Linux and Cloud/Onpremise solutions to various licensing options, OCCT has you covered.

PRO

Pro

The edition for professionals who need more

ENTERPRISE

Enterprise

The edition for large businesses with advanced validation needs

ENTERPRISEPLUS

Enterprise+

The ultimate edition for enterprises with mission-critical or large-scale needs

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Why we are the perfect fit

Advanced Features

Advanced Features

OCCT Professional editions offer advanced features that cater to the needs of professionals and businesses, ensuring optimal performance and reliability.

Dedicated Support

Dedicated Support

With dedicated support, OCCT Professional users can rely on expert assistance for any issues or questions they may have.

Flexible Licensing

Flexible Licensing

OCCT Professional editions provide flexible licensing options, allowing businesses to choose the best fit for their needs and budget.

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Knowledge is power

Frequently Asked Questions

Installing OCCT on Linux is really easy! Just download the file from this page, make it executable and you're ready to go. No installation, no dependencies, no fuss!

Although we offer five different license tiers, there are only four distinct software versions available for download: ▪ Personal (Personal and Patreon licenses) ▪ Pro (Pro license) ▪ Enterprise (Enterprise and Enterprise+ licenses) ▪ CommandLine (Enterprise and Enterprise+ licenses)

Once your purchase is completed, your license key will be sent to you via email as an attachment. You can also retrieve it from your dashboard if you're logged in with the account you provided during the purchase. Please note that depending on the license type or payment method, processing times may vary.