Use:
php -i
command or add:
phpinfo();
to get the location of configuration file.
Update these variables according to your need and server
max_input_time = 24000
max_execution_time = 24000
upload_max_filesize = 12000M
post_max_size = 24000M
memory_limit = 12000M
On Linux you will need to restart nginx / apache and phpfpm service so the new ini settings are loaded. On xampp, ammps you can restart these from control panel that comes with such applications.