OS-TAN Wiki / character
XP-tan
CANONXP-tan is the popular personification of Windows XP Professional. Her human nickname is Saseko, from the way XP lines up with sa/se on a Japanese keyboard. XP Kaki-Aki (also known as Nac) designed her and allowed non-commercial fan use — one of the few creator permissions that English sources actually recorded.
The look shifted. Wikipedia's sequence: an early gynoid with ponytail and glasses; then a more revealing XP-marked design; then the SP2-era school-uniform version everyone copies. OSC and this wiki treat the uniform as default. She is often drawn with a rice bowl labeled Memory, or simply eating too much — XP's RAM reputation as personality.
Homeko is the XP Home twin, not a palette swap. Homeo is the male counterpart. Do not file them as one character. XP-tan is also the usual target of Norton jokes in older comics.
She is CANON in the OSC sense and the English-fandom sense. She is still FAN in the legal sense. She is not Nanami, not a Microsoft DSP girl, and not OS TAN.
Gallery



See also
HomekoHomeko personifies Windows XP Home Edition: green-haired twin of XP-tan, not a reskin of Saseko.
Me-tanMe-tan is the first OS-tan: a clumsy Windows Me maid posted on Futaba Channel on 6 August 2003.
2K-tan2K-tan personifies Windows 2000: glasses, mechanical cat-ear clips, the reliable sister and Me-tan's guardian.
CanonOS-tan 'canon' means a design other artists reused, especially the OSC list. It is not a license and not Microsoft.Sources
- OS-tan — Wikipedia, 2026. Secondary overview. Mixes Futaba fan characters with regional Microsoft campaigns. Use as a map, not as character canon.
- List of Canon OS-tans — OS-Tan Collections Wiki, 2010.
- OS-tan — Moeverse Wiki, 2026. Best English source for Vault chronology, artist credits, and the Futaba / Madobe split.
- OS-tan — Know Your Meme, 2010. Community encyclopedia. Dates Me-tan to 2003-08-06. Official-gijinka section is incomplete.