Hi.,
Thank you for contacting us.
You can import the demo content via the unyson plugin. Kindly refer to our knowledgebase link for how to import the demo contents using the unyson plugin http://docs.wedesignthemes.com/dt_articles/import-demo/
Please check your server requirements., Please refer to the below link for server requirements http://docs.wedesignthemes.com/dt_articles/requirements-for-theme/
If still facing any issues Please mail us your site credentials (WP & FTP access logins) immediately via private reply, So that, We import demo data for you.