when I insert some statement in CMD for installing and insert enter key anything happen

I can not install Laravel on my laptop.I do the installing steps but when I insert "composer create-project --prefer-dist laravel/laravel blog" in CMD and press enter, anything happened. and also Cmd after inserting "C:> Cd laravel" print this statement : "C:\Users\GREENWOOD>C:> Cd laravel 'C:\' is not recognized as an internal or external command, operable program or batch file."

via Chebli Mohamed