OCCT Personal Download
OCCT Personal delivers all the core features of OCCT, free of charge
There's something for everyone
Custom download
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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
Improved reliability of tests scheduling
Overclocking and stress testing
OCCT is the leading software for overclocking and stress testing your PC. It provides a comprehensive suite of tools to monitor, test, and optimize your system's performance.
Show off your machine
Benchmark leaderboards
OCCT isn't just a powerful stress testing tool, it's also home to a thriving tech community. Compare your benchmark results on global leaderboards, compete with users worldwide, and see how your system stacks up.
Optimize your performance
System tuning
Built in collaboration with Intel, our System Tuning tool allows you to optimize your Intel CPU performance with ease. With just a few clicks, you can adjust your system settings to achieve the best possible performance while maintaining stability and reliability.
Trusted by leaders
Proud sidekick of the tech industry
Support OCCT's development
Patreon membership and perks
OCCT is free for personal use. To support ongoing development, a subscription is available via Patreon. Members enjoy unlimited test duration, no wait time between tests, and access to test reports and stability certificates. Subscriptions can be cancelled at any time.
Ready for all gamers
Also on Steam
Easy to find and quick to download, OCCT can be launched directly from your Steam library on any machine. If you prefer non-recurring subscriptions, you can also purchase one month of OCCT Supporter on Steam to enjoy all premium perks.
Knowledge is power
Frequently Asked Questions
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.