windows 7 ultimate rtm dell oem x64 x86 pre-activa
 

supported dell program (preactivated when install),Windows 7 Ultimate 64 Bit Key
inspiron 14
inspiron 545,Microsoft Product Key, 545s
inspiron 15
studio & studio xps
studio 1555,Windows 7 Home Basic Product Key, studio 1545,Microsoft Office Standard 2010 Sale, studio 1525 & studio xps
studio one 19
studio xps 13
studio xps 16 studio hybrid
studio xps 435
adamo 13
latitude xt2
latitude e5400
latitude e5500
precision m4400
vostro 420
vostro 320 aio
latitude e4300
precision m6400
optiplex 360
latitude e6500
latitude e4200
latitude e6400
optiplex 760
optiplex 960
optiplex 160
latitude e6400 atg
vostro 1320
vostro 1520
precision t3400
precision t3500
precision t5500
vostro 1720
vostro 1220
precision t7500
precision r5400
vostro 1014
vostro 1088
vostro 1015
studio xps 13
studio xps 16