As we all know that the PIPO Tablet is one of the popular brand in the market and one of the selling points is that this tablet is equipped with Win 10 and Android OS, which is very convenient in our daily lives. But for some reasons that there is not all the models sell with dual OS. For example, the PIPO X12 version just with Win 10 OS and the dual OS version is out of stock at present. For more detail information you can look at here: https://www.pipo-store.com/pipo-x12-mini-pc.html