icingaweb2/modules/setup/application/views/scripts/form/setup-admin-account.phtml

<?php

use Icinga\Web\Wizard;

$radioElem = $form->getElement('user_type');
$showRadioBoxes = strpos(strtolower(get_class($radioElem)), 'radio') !== false;

?>
<form id="<?= $form->getName(); ?>" name="<?= $form->getName(); ?>" enctype="<?= $form->getEncType(); ?>" method="<?= $form->getMethod(); ?>" action="<?= $form->getAction(); ?>">
  <h1><?= $this->translate('Administration', 'setup.page.title'); ?></h1>
  <ul class="descriptions">
    <li><?= $this->translatePlural(
      'Now it\'s time to configure your first administrative account for Icinga Web 2. Please follow the instructions below:',
      'Now it\'s time to configure your first administrative account for Icinga Web 2. Below are several options you can choose from. Select one and follow its instructions:',
      $showRadioBoxes ? count($radioElem->getMultiOptions()) : 1
    ); ?></li>
  </ul>
  <?= $form->getElement('title'); ?>
  <?= $form->getElement('description'); ?>
<?php if (($byNameElem = $form->getElement('by_name')) !== null): ?>
  <div>
    <div class="instructions">
      <?= $byNameElem; ?>
    </div>
<?php if ($showRadioBoxes): ?>
    <div class="radiobox">
      <label>
        <input type="radio" name="user_type" value="by_name"<?= $radioElem->getValue() === 'by_name' ? ' checked' : ''; ?> class="autosubmit" aria-required="true" required>
        <?= $radioElem->getMultiOption('by_name'); ?>
      </label>
    </div>
<?php endif ?>
  </div>
<?php endif ?>
<?php if (($existingUserElem = $form->getElement('existing_user')) !== null): ?>
  <div>
    <div class="instructions">
      <?= $existingUserElem; ?>
    </div>
<?php if ($showRadioBoxes): ?>
    <div class="radiobox">
      <label>
        <input type="radio" name="user_type" value="existing_user"<?= $radioElem->getValue() === 'existing_user' ? ' checked' : ''; ?> class="autosubmit" aria-required="true" required>
        <?= $radioElem->getMultiOption('existing_user'); ?>
      </label>
    </div>
<?php endif ?>
  </div>
<?php endif ?>
<?php if (($newUserElem = $form->getElement('new_user')) !== null): ?>
  <div>
    <div class="instructions">
      <?= $newUserElem; ?>
      <?= $form->getElement('new_user_password'); ?>
      <?= $form->getElement('new_user_2ndpass'); ?>
    </div>
<?php if ($showRadioBoxes): ?>
    <div class="radiobox">
      <label>
        <input type="radio" name="user_type" value="new_user"<?= $radioElem->getValue() === 'new_user' ? ' checked' : ''; ?> class="autosubmit" aria-required="true" required>
        <?= $radioElem->getMultiOption('new_user'); ?>
      </label>
    </div>
<?php endif ?>
  </div>
<?php endif ?>
<?php if (false === $showRadioBoxes): ?>
  <?= $radioElem; ?>
<?php endif ?>
  <?= $form->getElement($form->getTokenElementName()); ?>
  <?= $form->getElement($form->getUidElementName()); ?>
  <div class="buttons">
    <?php
      $btn = clone $form->getElement(Wizard::BTN_NEXT);
      $btn->setAttrib('class', 'double');
      $btn->setAttrib('tabindex', -1);
      echo $btn;
    ?>
    <?= $form->getElement(Wizard::BTN_PREV); ?>
    <?= $form->getElement(Wizard::BTN_NEXT); ?>
  </div>
</form>