If you see that demo content import process loading forever, got not all content imported or incorrectly working demo content this means your hosting PHP.ini limits too low for working with WordPress Importer and demo data can't be imported on your hosting without correct configuration.
You should contact your web hosting support and ask them to increase those limits in PHP.ini to this values:
- max_execution_time = 300 (600 recommended)
- memory_limit = 128M (256M recommended)
- post_max_size = 32M
- upload_max_filesize = 32M
- max_input_vars = 2000
This settings required by Revolution Slider plugin to import all demo sliders and WordPress to import all demo images and content. This requirements does not have any relations to theme, this is general minimal requirements for all WordPress themes with demo data.
Cheap or bad shared hosting may not allow you to use this values (in this case demo data import will be not possible on your server and you must change your hosting to be able to import demo data in any WordPress themes), check our hosting recommendation here.
You can verify your PHP configuration limits by installing PHP Info Plugin.
Before reimporting demo data after changing values reset your WordPress using this plugin to avoid content dublicates.
Check this official WordPress article how to increase memory limits for your WP:
Downloading ALL images can take 2-15 minutes depending on your hosting performance and theme.
If you tried everything and still can't import demo data (and your hosting support can't change your PHP limits) you can order our installation service and we will install theme from our high speed server on your hosting. You can get installation service for FREE using this offer.