For Windows 10 Pro and Windows 10 Enterprise, Docker Community Edition (CE) is available for free.
Docker CE requires Hyper-V and, for this reason, you need to be running Windows 10 Pro or higher. To see what version of Windows you have, open Command Prompt as Administrator and type in the following command at the prompt:
systeminfo
You will see the following information displayed:
To check whether Hyper-V is enabled, scroll a little way down:
Earlier versions of Windows don't have Hyper-V, so Docker CE will not run. From the Docker ...