Windows 7 / Vista Task Bar.

[Espaece]

There isn't much for me to say but if this was a feature, people would really love it.

[pyrates999]

That code was removed when windows 8 was released. So this can't be brought back unfortunately.

https://answers.microsoft.com/en-us/windows/forum/all/why-would-microsoft-remove-the-beautiful-aero/d924e3c7-3f4f-4bcc-ae37-ad7027ad0499