Resource Monitor

#resource-monitor

a utility in Windows Vista and later, displays information about the use of hardware (CPU, memory, disk, and network) and software (file handles and modules) resources in real time.

XDA

Credibility C

Oct 15

Your Windows PC has a free tool that outperforms every paid system monitor, and nobody knows about it

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neowin.net

Oct 05

How to find which app or process is locking a file in Windows. ^P No need to restart. Use Resource Monitor: Win plus R, type resmon, go to CPU tab ... Show more

How to find which app or process is locking a file in Windows

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XDA

Sep 23

These 7 built-in Windows tools are better than the apps most people install instead

xda-developers.com/built-in-windows-tools-better-than-apps-most-people-install/

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XDA

Aug 29

I stopped trusting Task Manager after discovering what Resource Monitor reveals: Dive past Task Manager to see per-process disk writes, open handles ...

xda-developers.com/resource-monitor-shows-details-that-task-manager-cannot/

Key FactsResource Monitor reveals hidden process details

Aug 29, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: xda-developers.com

Resource Monitor has been included in Windows since Vista, but it is used less often than Task Manager.

Selecting a process links CPU, memory, disk, and network details for that same process in the overview.

The tool shows actual file paths, IP addresses it communicates with, and active and committed memory figures.

Task Manager remains useful for general process searches, but lacks detailed network connections, handles, and hard-fault information.

I don’t want to lambast Task Manager to a point where it feels useless.
— Abhishek, XDA author of the article 'I stopped trusting Task Manager after discovering what Resource Monitor reveals'; context: he discusses the limitations of Task Manager and why he still values it, while praising Resource Monitor.