Step 1: Log in to your DirectAdmin Control Panel.

Step 2: From your DirectAdmin Dashboard, under Extra Features, locate and click Select PHP Version.

Step 3: On the Account PHP Settings page, click the Options tab.

Step 4: Under the Options tab, scroll down until you find the upload_max_filesize and post_max_size settings.

Step 5: Click the dropdown beside upload_max_filesize and select your preferred upload limit. Then set post_max_size to the same value or higher.