Microsoft Windows 7 Home Premium SP1 64-bit
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116986&nm_mc=EMC-EXPRESS033112&cm_mmc=EMC-EXPRESS033112-_-EMC-033112-Index-_-OperatingSystems-_-32116986-L04A
Your Price: $79.99 With Promo Code EMCYTZT1382
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116986&nm_mc=EMC-EXPRESS033112&cm_mmc=EMC-EXPRESS033112-_-EMC-033112-Index-_-OperatingSystems-_-32116986-L04A
Your Price: $79.99 With Promo Code EMCYTZT1382