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System Mechanic vs Microsoft PC Manager: catalog facts
System Mechanic	Microsoft PC Manager
Paid Paid license, listed at $54.95 and often discounted.	Free Free to download and use.
Windows	Windows
Combines junk cleanup, startup management and privacy wiping Automated maintenance through ActiveCare	First-party app from Microsoft Cleanup, large file management and Storage Sense in one place
Windows only Closed source and paid	Windows 10 (19042 and later) and Windows 11 only Closed source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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