Questions and Answers about the TOEFL iBT

Description
What is the TOEFL Test and what is the TOEFL iBT?
How is the TOEFL different?
Why did the test change?
Is the TOEFL iBT more difficult than the previous versions?
What format does TOEFL iBT follow? How long does it take to complete?
TOEFL iBT Format
How does the scoring system for the TOEFL iBT work?
What is a passing score on the TOEFL test?
How and when will I receive my test scores?
How do I register for the TOEFL iBT?
What computer skills do I need to take the TOEFL iBT?
What do I do if I need help?
Where is the TOEFL iBT given?
Can I choose whether to take the TOEFL iBT or earlier versions of the test?
What should I bring with me to the exam site?
How can I get more information about the TOEFL test?