Hello Jeremy,
Could you please tell us exactly where do you want to add H1 header to the homepage?
Thank you.

Hello Debra,
We are not using Contact form 7 for the slider. Follow the below steps to add sliders
Step 1. Go to Dashboard >> Slider
Step 2. Click on Add New button
Step 3. Add the slider name.
Step 4. Add the slider content.
Step 5. Add slider button link.
Step 6. Add slider button text.
Step 7. Add the featured image as a slider.
Step 8. Click on ‘update’ button at top right of page. And Enjoy the Slider.
You may also follow our theme complete documentation link to set up your theme.
https://luzukdemo.com/demo/digital-marketing/documentation/
It is very easy to understand.
Thank you.

Hello Ian,
Could you please share your site URL with us? We will directly check on it.
Thank you.

Hello Marine,
Please send us a mail on our support email id : [email protected]. We will send you an updated theme on your email id.
Thank you.

Hello,
Could you share with us your wordpress credentials and site url? We will able to find out exact issue directly on your server.
Thank you.