If you wish to the demo content via wordpress importer plugin and using wp native import command. For this you need to have the wordpress importer plugin installed on your website

Once installed activate the plugin (This step is not necessary if you already have the import plugin installed)

You can see all the avaialble demo folders in your Theme package archive in a a folder named “Demo Content”. You can find separate files inside each folder. Now select the XML file from your demo folder file “content.xml”

Once uploaded it will ask you to import the data into your WordPress user account select from the drop-down an existing user, also click on the check box that says “Download and import file attachments” Once complete all the data will be imported into your site.