materio-d8/web/modules/custom/materio_commerce/materio_commerce.module

<?php
// use Drupal\Core\Form\FormBuilder;
use \Drupal\Core\Link;

function materio_commerce_form_alter(&$form, &$form_state, $form_id) {
  if ($form_id == 'commerce_checkout_flow_multistep_default') {
      if ($form["#step_id"] == "review") {
          $t="t";
        // $form['buttons']['continue']['#value'] = t('Desired Custom Text Here');
        $form['actions']['next']['#value'] = t('Place your order');
      }
  }
}

function materio_commerce_form_commerce_order_add_form_alter(&$form, &$form_state, $form_id) {
  $currentUser = \Drupal::currentUser();
  $roles = $currentUser->getRoles();
  if (in_array("admin", $roles)){
    $t="t";
    $form['type']['#default_value'] = 'materio_order_type';
    $form['type']['#disabled'] = true;

    $form['customer']['uid']['#selection_handler'] = 'default:user_by_email';
  }
}

function materio_commerce_form_user_form_alter(&$form, &$form_state, $form_id) {
  $mail = $form['account']['mail']['#default_value'];
  $user_storage = \Drupal::entityTypeManager()->getStorage('user');
  $users = $user_storage->loadByProperties(['mail' => $mail]);
  $user = reset($users);
  $roles = $user->getRoles();

  $license_storage = \Drupal::entityTypeManager()->getStorage('commerce_license');
  $licenses = $license_storage->loadByProperties(['uid' => $user->id()]);
  
  if ($licenses) {
    $form['license'] = [
      "#type" => 'fieldset',
      "#title" => 'licenses'
    ];
    foreach ($licenses as $lid => $license) {
      $product_variation = $license->getPurchasedEntity();
      $product = $product_variation->getProduct();

      $infos = [];
      $infos[] = $product->getTitle();
      $infos[] = $product_variation->getTitle();

      $granted = $license->getGrantedTime();
      $infos[] = "granted: " . date('d-m-Y', $granted);
      $expires = $license->getExpiresTime();
      $infos[] = "expires: " . ($expires === "0" ? 'never' : date('d-m-Y', $expires));

      $license_edit_url = $license->toUrl();
      $license_link = Link::fromTextAndUrl('edit license', $license_edit_url);
      $infos[] = $license_link->toString();

      $order = $license->getOriginatingOrder();
      $order_url = $order->toUrl();
      $order_state = $order->get('state')->first()->getValue()['value'];
      $order_number = $order->get('order_number')->first()->getValue()['value'];
      $order_link = Link::fromTextAndUrl("order " . $order_number . "   (" . $order_state . ")", $order_url);
      $infos[] = $order_link->toString();

      $form['license']['license_'.$lid] = [
        "#type" => 'item',
        "#description" =>  implode(" | ", $infos)
      ];
    }
  }


}