Windows Longhorn build 4074

Compiled on 2004-04-25, this build is the first Milestone 8 build and the most famous build of Longhorn as it was distributed publicly. The Slate theme is still present, but with a new wallpaper known as Leaves. It also has a 64-bit build with i386, similar to 4051.

4074 also has a new theme called Jade, this theme slightly changes the appearance of the taskbar and enables native Aero transparency, which has not been seen since 4039. (Actually full transparency will require you to put on the DCE and have the window small; if the window is maximised, then it will be opaque).