question: if your pc opens the h4c file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating h4c file extensions with the wrong software program.
Capitalize this past sentence correctly.
A: If your PC opens the H4C file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating H4C file extensions with the wrong software program.

question: what i have now won? the cultural award for voice wonder?
Capitalize this past sentence correctly.
A: What I have now won? The Cultural Award for voice wonder?

question: in china it is strict and hard.
Capitalize this past sentence correctly.

A: In China it is strict and hard.