Microsoft may have demonstrated its new Start menu earlier this year, but thanks to a recent “Windows 9” leak we’re now seeing every single part of the company’s plans for bringing back this popular feature. German site WinFuture has posted a two-minute video that demonstrates how the Start menu works in the next major release of Windows. As you’d expect, it’s very similar to what Microsoft demonstrated with traditional apps mixing with modern apps (and their Live Tiles) into a familiar Start menu. …