How to increase post_max_size and upload_max_filesize from WHM or Cpanel

I am using dedicated and have whm

I achive the goal

Step 1) login to whm

Step 2) Click on  Service Configuration i.e. Main >> Service Configuration

Step 3) Click on PHP Configuration Editor  so you are on

Main >> Service Configuration >> PHP Configuration Editor

here you can see below message please click on  Switch to Advanced

Now update your upload_max_filesize, post_max_size and memory_limit

PHP Configuration Editor

Here you can change PHP settings, if you wish to alter some of the more advanced settings, you can
Switch to Advanced Mode

PHP Configuration Editor

If you only wish to change basic settings, you can Switch to Basic Mode