Laravel In Subdomain

How Can install laravel in My subdomain ? PLS Help

i already 1- create subdomain 2- upload laravel file to the subdomain directory subdomain directory is ==> root/ju laravel file live in "ju" directory 3- when i request the URL ( ju.mysubdomain.com/public/index.php ) I receive This Message : 500 internal error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.