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straight from the source.

Diagnostics, drivers and maintenance utilities worth knowing. Every button goes to Microsoft or the publisher’s official page.

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HW
Monitoring

HWiNFO

Field pick

Detailed hardware inventory and low-overhead sensor logging for clocks, temperatures, voltages, fan speeds and throttling flags.

Best for
Proving whether CPU or GPU temperature, power or clock limits cause slowdowns.
License
Free for non-commercial use
Platform
Windows 11 / 10
!Use sensors-only mode and logging for repeatable tests; avoid changing undocumented controls.
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