1. After download complete, extract it.
2. Then go to dashboard >> tools >> import there you will find WordPress in the options click on Run Importer and upload .xml files here then click Upload file and import
3. Go to dashboard >> tools >> Widgets Importer And Exporter upload .wie file here then click import widgets
4. go to dashboard >> appearance >> customizer there you will find Export/Import – upload .dat file here, check Download and import image files? then click import
I guess it will help you. If you have further more confusion please let me know so i can help you