Template:Did you know
- ...that Windows 98 build 1387 has a hidden button in display properties to enable title bar gradients, and is also the first build of Windows to support this feature?
- ...that the Gizmo theme that was present in Mac OS 8.5b6 originates from Copland as "Z Theme" and was intended for testing the theming service for both versions?
- ...that the boot animation used in Windows 11 2022 Update builds first appeared in Windows 10X and Windows 10 build 19587?
- ...that early builds of Windows Me replaced the safe to shutdown screen with a blue screen due to the removal of real-mode MS-DOS?
- ...that Reversi in the Windows NT 3.1 April 1991 build displays square pieces, because the code for drawing circles wasn't implemented yet?
- ...that Windows Longhorn build 4015 (main) includes an early iteration of transparent window borders?