2-x-to-3-0-x" title="Permalink to this headline">¶</a></h1>
<p>Before performing an update you should take your site offline by replacing the index.php file with a static one.</p>
<div class="section" id="step-1-update-your-codeigniter-files">
<h2>Step 1: Update your CodeIgniter files<a class="headerlink" href="#step-1-update-your-codeigniter-files" title="Permalink to this headline">¶</a></h2>
<p><strong>Replace</strong> all files and directories in your <em>system/</em> directory and
replace your index.