Last updated
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.
$ winget install --id JAMSoftware.HeavyLoad --exact --version 4.0Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.
HeavyLoad uses EXE (Inno Setup). The silent install switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.
HeavyLoad-x64-Setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART
For IT teams
App deployment, patching, and remote support in one place. Push this app to every device you manage, keep it patched automatically, and see new CVEs the moment they land. Works with Intune or fully standalone.
Sign up freeFree for up to 5 devices.
HeavyLoad is a free Windows stress-testing tool that pushes your PC to its limits by maxing out CPU, RAM, disk, GPU, and network resources to test system stability, cooling, and reliability under extreme loads
Key Features:
- Multi-Component Testing: Simultaneously stresses CPUs (all cores), GPUs (via 3D rendering), RAM (physical/virtual memory allocation), disks (read/write tests), and networks.
- Real-Time Monitoring: Graphs CPU usage, memory availability, disk space, and FPS during tests.
- Customization: Adjust test intensity per component, set duration, and define free-space/memory thresholds.
- "Maximum Terror" Button: One-click full-system stress test
| Architecture | Type | Scope | Install | Download |
|---|---|---|---|---|
| x64 | EXE Inno Setup | machine | Direct |
Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.
No known CVEs for HeavyLoad.
Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.
More from JAM Software or browse cpu-benchmark, diagnostic, hardware-performance.