Verb conjugation of "aufklären" in German

Please let me summarize: The main problem of the project was the inability of the program to print the screen. The reason is that massive download may stall the connection at even 3Giga, which will result in congestion.
Anyway, once we arrived at the guest house the rules were explained: Washing my Jeans would be 2 dollars, a pair of socks 1 dollar and so on. I did not feel comfortable with these people.
I was the only one at the beach, as it was too early and all the party people were still sleeping. After that I hired a motorcycle in order to drive around the island. I never drove before that.