You need to send the Transcripts to the university. You may have already submitted the unofficial transcript. The university needs you to submit the official transcript to the university via post. Official transcripts may be mailed to the university from your school, mailed to the university by you, or else brought to the university in person. Official transcripts must remain sealed in the issuing institution's envelope to be considered official. You may also need to provide your degree certificate (
You can inquire about this after your transcripts are submitted)
You can find more details here:
Transcript details