Not only can it run Windows 7 product key, Zenfone 2 also has the ability to install Windows 8, even Windows 10.
A member of XDA has successfully installed Windows 7 on Zenfone 2 (code ZE551). Although no error occurred but the machine runs quite slowly.
In addition to being able to install the Windows 7 operating system, the person also said the process can be changed to install Windows 8, Windows 8.1 product key or even Windows 10 product key.
Thanks to Zenfone 2 uses Intel Atom processor has many in common with the CPU architecture of the CPU on the computer, so Windows 7 can run on this phone.
According to the author, the first thing to do is to unlock the device bootloader, flash the kernel, partition the memory card and run the terminal command.