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Windows · Windows Utilities

HWiNFO for Windows

Detailed hardware information and sensor monitoring for Windows, with logging and per-component temperature and clock readings.

Updated July 6, 2026 · Reviewed by SoftNexi Editorial Team, Software research and documentation

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Overview

HWiNFO reports what hardware is actually inside a Windows machine and what it is doing right now: CPU and GPU clocks, temperatures, fan speeds, voltages, memory timings, storage health, and battery wear.

It is the tool to reach for when diagnosing thermal throttling, unexplained fan noise, or whether a laptop's battery has degraded. Sensor logging to CSV makes it possible to correlate a slowdown with a temperature curve.

The free version is complete for personal diagnostics; a paid Pro license adds commercial use rights and extra logging and customization options.

Key features

  • Comprehensive hardware inventory down to component revisions
  • Real-time sensor monitoring for temperature, clocks, fans, and power
  • CSV logging for long monitoring sessions
  • Customizable tray and OSD readouts
  • SMART data and storage health reporting
  • Portable build that requires no installation

System requirements

Operating system
Windows 11, Windows 10, and earlier Windows releases
Architecture
x64 or x86; portable build available
Permissions
Administrator rights to read hardware sensors

How to install HWiNFO

  1. 1. Download

    Choose the installer or the portable ZIP from hwinfo.com/download.

  2. 2. Run with admin rights

    Sensor readings require elevation; approve the UAC prompt.

  3. 3. Pick a mode

    Start with Sensors-only for monitoring, or full Summary for a hardware inventory.

How to use it

  1. 1. Watch for thermal throttling

    Open the Sensors window, sort by CPU package temperature, and run your normal workload while watching effective clocks.

  2. 2. Log a session

    Use the logging button to write a CSV, then open it in a spreadsheet to find when a value spiked.

  3. 3. Check battery wear

    Look for designed versus full charge capacity in the battery section to estimate remaining health.

Safety and privacy

  • Download from hwinfo.com. The installer offers a portable option if you prefer nothing written to the registry.
  • Sensor access requires a kernel driver, which is normal for this class of tool.
Bundled software
The official installer may present optional offers during setup on some builds — read each setup screen and decline anything unrelated.
Privacy
Readings stay local. The app checks for updates online.

Known risks

  • Low-level sensor drivers can conflict with other monitoring tools; run one at a time when troubleshooting.

What's new

  • 8.x series

    Releases arrive frequently to add sensor support for new CPUs, GPUs, and motherboards. Check the developer's version history for what a specific build added.

Pros and cons

Pros

  • Extremely detailed hardware and sensor data
  • Reliable CSV logging
  • Portable build
  • Frequent support for new hardware

Cons

  • Dense interface that overwhelms newcomers
  • Commercial use requires a Pro license
  • Windows only
  • Setup may show optional offers

Verdict

For diagnosing a Windows PC's thermal or hardware behavior, HWiNFO gives more usable detail than anything else free. Expect to spend a few minutes learning the layout.

Frequently asked questions

Is HWiNFO free?

It is free for personal use. Commercial deployment requires a Pro license from REALiX.

Why do my temperatures differ from another monitoring app?

Different tools read different sensors and average them differently. Compare the specific sensor names rather than headline numbers.