i need change change The maximum size per file allowed from my web panel

Greetings, I want to ask for help I made a web panel to upload my videos, I create a user and want to upload videos of more than 3 gigabytes, I cannot, the file manager of the web panel tells me that there is a limit of 500M, how can I increase this, so that the uploading of the videos does not reject me,The maximum size per file allowed to upload is: 500M  , thanks in advance

Use FTP.   http protocol was not designed for this.

try this wikis :

http://wiki.centos-webpanel.com/big-file-upload-via-file-manager
https://www.mysterydata.com/increase-import-upload-limit-for-phpmyadmin-and-file-manager-in-cwp/