We have not received your WordPress credentials. We checked. We think that, currently you have not set up home page templates, that is why your site have not been show the slider and feature sections updates. First you have to set up a home template.
For home page set up you have to follow below steps
Step 1: Go to Dashboard >> Pages >> Add New, enter page name and select template as Home Page Template from Page Attribute.
Step 2: Publish this page
Step 3: Go to Dashboard >> Settings >> Reading, select home page as a front page.
This is our theme documentation.
If you are not able to do this then you have to send us WordPress Credentials to our [email protected] . Our technical team will provide you helps and you will get update very soon.