In most cases, Tweak UI exposed settings that were otherwise only accessible by directly modifying Windows Registry.

[7] Six tools were included in this package:[8] According to Raymond Chen, he wrote all of the Kernel Toys except for the Time Zone Editor, which came from the Windows NT Resource Kit.

[20] The first preview release was available in September 2019, which included FancyZones and the Windows key shortcut guide.

Making equivalent calls to various Windows APIs were still possible though and enabling third-party applications to be implemented with the same, or a subset, of the original functionality.

"[41][42] Finally, Microsoft has also released PowerToys for Windows Mobile, Visual Studio[43][44][45] and OneNote.