Im getting this message
“Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator to inform of the time the error occurred and of anything you might have done that may have caused the error.
More information about this error may be available in the server error log.”
Whenever I try adding a file that is about 1.5 to 2.5 GBs to the be able to download once the customer pays. I’m using the server where I had already uploaded the videos to the server, now when ever I map/path the movie in the file area for the product I get that message. How can I fix this? 
It’s a PHP setting, upload_max_filesize
You may also have to increase max_execution_time and max_input_time