You have no action to take at this step, you have to just get accepted, but double check that all your documents are submitted.
You have to wait for the Letter of Acceptance from NMSU.
However, this is a critical step before you get to Step 4: Apply Student Visa because the Letter of Acceptance is required for your student visa application.
While you wait for the Letter of Acceptance from NMSU, you might want to make sure that you have a passport and that it is not expired.
Not received a decision letter till the deadline?