XML File Import
In order to import demo content file, follow “WP-admin >Tools > Import > WordPress” (fig. 1):
Click on “Browse” button and select the demo XML file, then click “Upload file and import” button.
In the next screen in “Import author” you are able to select a new author for imported content or select the existing one. In “Import Attachments” section you need to choose whether you want to upload demo media or not. Finally, click “Submit” (fig. 2):