it is read-only software that has user friendly interface and repairs zip archive without affecting its file structure.

How would the previous sentence be correctly capitalized?
Answer: It is read-only software that has user friendly interface and repairs ZIP archive without affecting its file structure.
as a brand coach he accompanies numerous national and international companies and developed strategic concepts.

How would the previous sentence be correctly capitalized?
Answer: As a brand coach he accompanies numerous national and international companies and developed strategic concepts.
complaints do not entitle buyer to a price reduction or cancellation of the agreement.

How would the previous sentence be correctly capitalized?
Answer: Complaints do not entitle BUYER to a price reduction or cancellation of the agreement.
ctl3d32.dll device can't work/no sound: actually, in most cases device problem is because of .sys files.

How would the previous sentence be correctly capitalized?
Answer: ctl3d32.dll device can't work/No sound: Actually, in most cases device problem is because of .sys files.