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Sysinternals Suite vs Process Explorer: catalog facts
Sysinternals Suite	Process Explorer
Free Free to download from Microsoft.	Free Free to download and use, published by Microsoft as part of the Sysinternals suite. The…
Windows, Command line	Windows
Dozens of diagnostic tools in one download Builds for ARM64 and Nano Server	Finds which process has a particular file or directory open Process tree shows parent and child relationships, not just a flat list
Windows only Many tools assume familiarity with Windows internals	Windows only Closed source, though published by Microsoft
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.