this image belongs to the following categories: badminton, individual sports, racquet sports.

How would the previous sentence be correctly capitalized?
Answer: This image belongs to the following categories: Badminton, Individual sports, Racquet sports.
a global status report [pdf] commissioned by the german government estimates that all 52 reactors under construction as of mid-2009 plus an additional 42 reactors would have to be built and come online by 2015 to maintain the same number of operating reactors in the world over time.

How would the previous sentence be correctly capitalized?
Answer: A global status report [PDF] commissioned by the German government estimates that all 52 reactors under construction as of mid-2009 plus an additional 42 reactors would have to be built and come online by 2015 to maintain the same number of operating reactors in the world over time.
for those of you who are not sure how to download the software, please follow these simple steps.

How would the previous sentence be correctly capitalized?
Answer: For those of you who are not sure how to download the software, please follow these simple steps.
contents - of vol. 3: "the vanished successor"

How would the previous sentence be correctly capitalized?

Answer: Contents - of Vol. 3: "The Vanished Successor"