How to move customers and orders in magento 2.4.0 from magento 1.9
I am trying to migrate customers and orders. I was trying to install data migration tool via composer but when i write keys there, which i got from magento market place. My website based on magento 2 is not empty i do have customers orders but i want to export customers and orders from 1 to 2. I also tried via csv but it didn't work. How to do that manually? Or any other solution. Help would be appreciated.