The FAQ states:
Please also note that Windows based programs run as non-free source/proprietary code and Purism can not offer a guarantee that your Librem will continue to be secure if you choose to install. We do not recommend doing this for your own privacy and security but you are welcome to as the Librem is your machine
Users, who wish to install Windows on their machines, should be able to use all hardware. With Windows 10, this seems to be a problem with some hardware, such as the touchpad and energy management.
Can someone please provide names or links to working drivers or at least give the exact hardware specification so it is easier to find working drivers?