hi jean-philippe,
it should open a new window by clicking item tittle.
may you please tell me where i should put the code in "item.php" and "category.php"?

Hello johnatan,

Depending on your template the code should be located inside category_item.php if you want to click the title in the category listings.

Look for something like

[code type=php-brief] <?php if ($this->item->params->get('catItemTitleLinked')): ?>
<a href="<?php echo $this->item->link; ?>">
<?php echo $this->item->title; ?>
</a>[/code]


and add what jean-philippe told you

the code should look like

<a href="<?php echo $this->item->link; ?>" target="_blank">

As for locating the files, Depending on your template you may have or have not template overrides.
This tutorial will help you locating these files.
getk2.org/documentation/tutorials/174-templating-with-k2-and-the-concepts-of-sub-templates

Look at the bottom table.

hi Krikor,
thank you for your reply.
i put the code you provide in category_item.php (my templates/html/com_k2/templates/default) but nothings happen. do i something wrong?

then the default override is not being used for some reason.

Try also putting it in components/com_k2/templates/default/ and tell what is happening.

i did it, nothings happens. same as before.

Jonathan send me a link please.