Hello,

To add the icon+text in top header area, please go to Appearance > Widgets and add a Tower Widget Shortcode, with this content:
[icon_text icon="moon-mail"] [email protected][/icon_text]
(screenshot).

-For the footer, add a text widget with this content:

<img src="https://codeless.co/tower/default/wp-content/uploads/2015/04/logo_light.png" alt="" style="width:120px;">
<br />
<br />
Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scriptaset patrioque scribentur, at pro fugit erts verterem molestiae, sed et vivendo ali Lorem ipsum ex vix illud nonummy, novum tation et his. At vix scripta patrioque scribentur...

(screenshot)
Replace the image link to the image you want to use.

Note: If you have imported any demo, then you do have all the used widgets pre-created and ready to use. Just go to Appearance > Widgets, scroll down to the “inactive widgets” area (screenshot) and drag-and-drop the ones you want to use.
Let us know.

Best regards!