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HeavyLoad: all versions and old releases

Bring your PC to its limits with the freeware stress test tool HeavyLoad. HeavyLoad puts your workstation or server PC under a heavy load and lets you test whether they will still run reliably.

JAM Software Drivers & hardware #79 Drivers & hardware

2 versions of HeavyLoad are listed here, from September 19, 2023 to the current 4.0. Each one links to the publisher’s own installer files.

2023: 1 1 23 2024: 0 24 2025: 1 1 25

2 versions over 2 years · about 1.3 a year

VersionDateSizeFiles
4.0Latest April 12, 2025 22.2 MB 64-bit EXE (Inno Setup) 22.2 MB
Release notes
* HeavyLoad now also supports installation on ARM64 systems.
* The CPU stress tests have been revised. Instead of the previous factorial calculations, a matrix calculation is now used. The new calculation generates a significantly higher CPU load, which enables more realistic stress tests.
* The graphics card stress test has been improved so that a higher load is generated.
* An error that could occur in rare cases during program startup has been fixed.
* An error that could occur in rare cases during the graphics card stress test has been fixed.
* Support for the outdated Windows Server 2012 R2 and Windows 8.1 operating systems has been discontinued.
3.9.1 September 19, 2023 18.2 MB 64-bit EXE (Inno Setup) 18.2 MB

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