After receiving offer of a place at the university, to obtain a Type D visa, you need to submit documents to the Consulate of Ukraine in your country according to the list provided on the website of the Embassy. This list of documents should include the original "Offer of a place". In addition, please note that your documents on previous education before submitting to the consulate should be officially certified in the way accepted in your country (legalized (Ministry of Education + Ministry of Foreign Affairs + Embassy of Ukraine in your country) or certified with an Apostille stamp + legalized at the Embassy of Ukraine). These documents should be officially recognized in Ukraine in order for a Ukrainian university to issue you a diploma after graduation.