OCCT
v17.1.10FreemiumReleased 21 Oct 2026
Stress tests CPU, GPU, RAM and power supply for stability. By OCBASE
- Windows
- Linux
By the ToolsBharat teamUpdated 21 Oct 2026How we check
Quick answer
OCCT is freemium software for Windows and Linux from OCBASE. Stress tests CPU, GPU, RAM and power supply for stability. Download it only from ocbase.com. The latest version we track is 17.1.10 (21 Oct 2026). ToolsBharat links straight to the publisher's own download page, with no bundled offers.
- Latest version:
- 17.1.10 (21 Oct 2026)
- Publisher:
- OCBASE
- Official site:
- ocbase.com
- Licence:
- Freemium — OCCT Personal free for non-commercial use; Pro/Enterprise licences and Patreon tiers paid
- Requirements:
- Windows (64-bit); Linux version also offered
Our verdict
A thorough stability tester for checking a new build, an overclock or a suspect PSU. The free Personal edition has the core tests, but limits test length and adds a wait between runs. It cannot be used at work without a paid licence.
Key features
- CPU, memory, GPU (3D and VRAM) and power stress tests
- Live sensor graphs during tests
- Error detection that stops on the first fault
- Benchmarks and system report
Pros
- Pro: Catches errors other tests miss
- Pro: Also runs on Linux
Cons
- Con: Free edition limits test duration
- Con: Not allowed for commercial use without a licence
What's new in 17.1.10
See what changed in 17.1.10 in the official release notes
Version history
Version 17.1.10Latest
21 Oct 2026- SHA-256
- The developer does not publish one
- Source
- Release notes
Official downloads by platform
For Windows, use the Download button. Other platforms go straight to the publisher's own page or official store.
Requirements
- OS
- Windows (64-bit); Linux version also offered
- Architecture
- 64-bit
Licence
- Type
- Freemium
- Licence
- OCCT Personal free for non-commercial use; Pro/Enterprise licences and Patreon tiers paid
- Publisher
- ocbase.com
Where these facts come from
Checked 30 Oct 2026
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Alternatives
OCCT
17.1.10 · Not stated