What is causing the error?

You attempt to install Windows 7 on your personal computer. You receive an error message stating that your product key is not valid.

What is causing the error?
A . You accidentally entered the product key in lower case.
B . Your product key does not match the version of Windows that you are installing.
C . The product key you are trying to use has expired.
D . You reformatted your hard disk drive before you installed Windows.

View Answer

Answer: B