OCCT Professional Download

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

ProEnterpriseEnterprisePlusCommandLine

Download OCCT Pro v17.1.6

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

Already have a license? Sign in

Purchase

By downloading OCCT, you agree to the End-user license agreement

OCCT interface

Latest news

Stay up to date

Fixed an issue where the Power test would report a timeout if stopped too fast

Fixed an issue where multiple CPUs setups would have their sensors merged together

Reimplemented the LastMonitoringValues.json file

Ported the dependency cleanup performed previously on the reverted UE 5.7 upgrade

Fixed a bug where the Custom intensity value in Steady mode would be displayed at 0 in the execution tab

Fixed a bug where the AMD64 version of Linpack would return false positives on recent AMD processors

Fixed : Reverted the Unreal engine upgrade, went back to 5.4 due to critical bugs within the Intel ARC drivers. Fixing this will take time, and might prevent us from using this Engine version.

Ported the reliability improvements from the 17.1 branch in this build

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)

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

Not sure which version to choose?

Compare editions

|

Contact us
Background image of OCCT features

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.

Trusted by leaders

Proud sidekick of the tech industry

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.