You just have to follow below steps to migrate your Drupal website:
- First you have to copy all files from original installation and you can use FTP for this operation.
- Now copy all your files to destination server with FTP.
- Now it’s time to import database for this dump the database with phpMyAdmin.
- In your destination server you have to create empty database and you have to import your dump file in this database.
- Not edit sites / default / settings.php file and modify the database access data like server URL, username, password, db name.