laravel homestead on windows 10

When I tried to install laravel homestead I face problems I use git terminal, when I try this

$ vagrant box add laravel/homestead http://ift.tt/1QgP23I

I get this error

==> box: Box file was not detected as metadata. Adding it directly...

==> box: Adding box 'laravel/homestead' (v0) for provider: box: Downloading: http://ift.tt/1QgP23I box: An error occurred while downloading the remote file. The error message, if any, is reproduced below. Please fix this error and try again.

Could not resolve host: (nil); Host not found

via Chebli Mohamed