By certification 
1. high quality
2. brand new version, hot selling
3. fast shipping, deliver from stock by dhl for freeshipping
4. 100% genuine oem key that can be activated and verified online, never block
5. support oem, supply all kinds of brand coa label come with dell, hp, lenovo, toshiba etc
2. brand new version, hot selling
3. fast shipping, deliver from stock by dhl for freeshipping
4. 100% genuine oem key that can be activated and verified online, never block
5. support oem, supply all kinds of brand coa label come with dell, hp, lenovo, toshiba etc
