Hello Welcome to the Site to transfer credits all you have to do is on the top right side of the site you'll see an option that says "Credit:" go over the icon a list pops up underneath one of the options is Transfer click that and state who you want to transfer the credits to and also the amount of credits also known as PC you can also write a quick note to the person receiving the credits then click "Do transfer" you'll get an alert notifying you that the credits have been transferred
If you need more info about our Site's Credit (PC) you can here