Login to your WordPress.com account dashboard to visit
Tools -> Import – you can read our full guide on importing here.
You will select the WordPress Importer from this page. Select “Run Importer”.
Choose the file you just saved and select “Upload File and Import”.
Check the box next to ‘Download and import file attachments’. It will fetch images from your Weebly website into your WordPress.com media library.
The import will take a few minutes to complete. Upon completion, you will see a success message: