My original answer was a typo...  (Not Teak-UI, Sorry for the confusion.)
If there is still a question about where to get Tweak-UI from MS,
I am quoting a recent reply on the list about that...
             Rick Glazier
----- Message -----
From: Bill Cohane
> Tweakui 1.33 is the current version:
> http://www.microsoft.com/ntworkstation/downloads/PowerToys/Networking/NTTweakUI.asp
>
> Here's the download link from the above Microsoft page:
> http://www.microsoft.com/windowsme/guide/tweakui.exe
>
> Don't worry that the above links suggest WinNT4 and WinME.
> Tweakui 1.33 is the latest version. It was written for Win2k
> and WinMe but works with older Windows versions as well.
>
> A multi-page guide to Tweakui (with a history of every release,
> including all the betas, and descriptions of each tweak):
> http://www.pcforrest.freeserve.co.uk/tweakui.htm
>
> Check out X-Setup. It's a free utility similar to tweakui that
> offers many more tweaks. Think of it as Tweakui's big brother.
> http://www.xteq.com/products/xset/index.html
>
> Regards,
> Bill

>> Greetings Rick.
>> How does one get Teak-UI? I have searched for it, to no avail.

             PCSOFT maintains many useful files for download
                     visit our download web page at:
                     http://nospin.com/pc/files.html