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Optimizer vs Wintoys: catalog facts
Optimizer	Wintoys
Free Free and open source, no longer developed.	Free Free from the Microsoft Store. The software is closed source.
Windows	Windows
Many privacy and performance tweaks in one portable program Available in 24 languages	Tweaks, startup management, cleanup and repair in one Store app Actions are grouped and described rather than applied blindly
Deprecated and archived; the author points users to OptimizerNXT System tweaks such as stopping updates or disabling Defender can leave Windows less secure	Distributed through the Microsoft Store only Windows 10 and 11 only, closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 22, 2026

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