Update download.html

Author: TheOddCell

download.html

@@ -48,6 +48,11 @@ <h2>Option 3:</h2><h2>Arch-based Installer</h2>
                 <p>Install ObsidianOS directly from an existing Arch Linux system using our installer script.</p>
                 <pre><code>sudo bash -c "$(curl -fsSL https://arbs.obsidianos.xyz)"</code></pre>
             </div>
+            <div class="install-card">
+                <h2>Option 4:</h2><h2>Manual install from an Arch-based host</h2>
+                <p>Install arch-install-scripts and obsidianctl to do an manual install.</p>
+                <a href="https://aur.archlinux.org/packages/obsidianctl-git" class="download-btn">Get obsidianctl</a>
+            </div>
         </section>
         <section class="post-install">
             <h2>Next Steps</h2>