please go to the post office and purchase KNUST forms
follow this link https://apps.knust.edu.gh/admissions/apply/Account/Login?ReturnUrl=%2Fadmissions%2Fapply%2F and enter your login ID and Pin on the voucher given to you.
please follow the steps and confirm your application
afterwards, print out your confirmation page and attach two copies of the printed forms and other relevant supporting documents and send it by post office with the ems provided for you when you bought the forms
please note that, the background of the passport picture used should be light green background.