Create the zen.desktop file sudo mkdir -p /usr/local/share/applications sudo nano /usr/local/share/applications/zen.desktop and put the following text into it: [Desktop Entry] Version=1.0 Name=Zen Browser Comment=Experience tranquillity while browsing the web without people tracking you! GenericName=Web Browser Keywords=Internet;WWW;Browser;Web;Explorer Exec=zen Terminal=false X-MultipleArgs=false Type=Application Icon=/opt/zen/browser/chrome/icons/default/default128.png Categories=GNOME;GTK;Network;WebBrowser; MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall; StartupNotify=true When I click the new tab button, the URL bar opens. How do I disable this? about:config zen. urlbar. replace-newtab