Lokacin da muke magana game da tafiyar da shirye-shiryen Windows akan Unix, abu na farko da ke zuwa a hankali shine aikin Wine na kyauta, aikin da aka kafa a 1993.
Amma wa zai yi tunanin cewa Microsoft da kanta ita ce marubucin software don gudanar da shirye-shiryen Windows akan UNIX.
A cikin 1994, Microsoft ya fara aikin WASE - Windows Interface Source muhalli - kimanin. Mahalli na Interface na asali na Windows shirin lasisi ne wanda ya ba masu haɓaka damar sake haɗawa da gudanar da aikace-aikacen tushen Windows akan wasu dandamali.
SDKs masu hikima sun dogara ne akan kwaikwayi na Windows API wanda zai iya gudana akan dandamali na Unix da Macintosh.
Ba Microsoft ne ya kawo SDKs kai tsaye ba. Madadin haka, ya haɗu tare da dillalai software da yawa (waɗanda ke buƙatar samun dama ga lambar tushen Windows na ciki), waɗanda suka siyar da WISE SDK don kawo ƙarshen masu amfani.