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

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