During development (codenamed "Whistler"), Microsoft experimented with several "placeholder" themes that never made it to the final version of XP.
Beyond the default, Microsoft produced several other visual styles for specific OS editions or hardware: all windows xp themes
Created to promote Microsoft's Zune media player, this theme introduced a dark gray and orange color scheme that served as a rare "dark mode" for the era. Microsoft Plus! Pack Themes Pack Themes Released in 2006 to promote the
Released in 2006 to promote the Zune media player. It featured a dark charcoal taskbar with an orange Start button. Expansion Pack Themes (Microsoft Plus
A theme for "Windows Embedded Standard 2009" that used a dark blue color scheme similar to Royale but with distinct elements. Expansion Pack Themes (Microsoft Plus!) Microsoft Plus! for Windows XP
: A leaked, darker version of the Royale theme with a blackish-purple tint and a black Start button.