check all others shortcodes listed under the “common how” to section

Note that it is commonly not required anymore this kind of shortcode, since any login form by any other plugin or the default WordPress login can be used.

To use the Login Widget shortcode add:

[w3allogin]

The file to edit for customization is

wp-content/plugins/wp-w3all-phpbb-integration/views/wp_w3all_login_form_short.php