Not able to access the application

I am new to the Docker. I did the installation in Windows Machine and Mac Machine also.

I tried to access the using docker toolbox . Its not working . Please help .

Issue details are available below :

docker run hello-world
\Program Files\Docker Toolbox\docker.exe: error during connect: Post http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.30/containers/create: open //./pipe/docker_engine: The system cannot find the file spe
ed. 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.