OS-tans. nostalgia and beyond

Been drawing OS-tans from Win 1.0 up to Vista. Wanna keep drawing more, and probably will.

Whistler-tan design is inspired by this pic when searching for XP-tan:

https://64.media.tumblr.com/0aff509fee7b76d7ae0b2fab078bb5f2/c0acbb4c9554100b-3b/s640x960/2b3c131da4fa186221425296efa1559c1551b5d2.pnj

Image description

Windows Whistler tan