win7 pro retail 5 user : $7
win7 pro mak 50 user (90days ) : $60
win7 Ultimate  5 user:$11
win7 Ultimate sp1 20 user:$15
win7 Ultimate oem:$15
win7 home premium oem 2 user :$2
win7 home basic oem 2 user :$2


win 8.1 pro retail 2 user:$3.5
win 8.1 pro mak 2 user $5
win 8.1 pro mak 20 user $15
win 8.1 pro oem:$3
win8.1 enterprise 20 user : $15


we have many versions of keys , if you have any need, pls let me know

skype: tengwuinc
whatsapp:+8615225071439