Running error reporting after installing Docker Toolbox:

$ docker ps
error during connect: Get http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.37/containers/json: open //./pipe/docker_engine: The system cannot find the file specified. In the default daemon configuration on Windows, the docker client must be run elevated to connect. This error may also indicate that the docker daemon is not running.

Run command:

$ docker-machine create box

Create a Docker image

$ docker-machine create box
Running pre-create checks...
Creating machine...
(box) Copying C:\Users\Administrator\.docker\machine\cache\boot2docker.iso to C:\Users\Administrator\.docker\machine\machines\box\boot2docker.iso...
(box) Creating VirtualBox VM...
(box) Creating SSH key...
(box) Starting the VM...
(box) Check network to re-create if needed...
(box) Windows might ask for the permission to create a network adapter. Sometimes, such confirmation window is minimized in the taskbar.
(box) Found a new host-only adapter: "VirtualBox Host-Only Ethernet Adapter #3"
(box) Windows might ask for the permission to configure a network adapter. Sometimes, such confirmation window is minimized in the taskbar.
(box) Windows might ask for the permission to configure a dhcp server. Sometimes, such confirmation window is minimized in the taskbar.
(box) Waiting for an IP...

Detailed installation procedures for Docker Toolbox refer to the official documentation:
https://docs.docker.com/toolbox/toolbox_install_windows/