Applying for PTC at UPOU need help in understanding how to get admitted

Hello po, need help lang po sana how to apply and get admitted sa ptc ng upou. Naguguluhan po kasi ako kung pano nagwowork yung units to enroll, like i need to pass po ba muna the requirements before i can pick the units i will take or given na siya upon admission? super naguguluhan po talaga ko :(((