Windows XP's visual identity, officially known as , remains iconic for its colorful, plastic-styled interface and rounded title bars [12]. While standard reviews for "all themes" often focus on the three official color schemes, the wider community has expanded this through third-party "visual styles" and transformation packs. Official Windows XP Themes
Introduced as the successor to Windows 98's "Classic," Luna was a radical departure. It featured rounded window borders, huge "Start" buttons (green by default), and a cartoonish blue taskbar. It was designed to feel "warm, friendly, and approachable." For most, Luna is Windows XP.