Please capitalize where necessary: the key step to getting a rich, creamy [...]
A: The key step to getting a rich, creamy [...]

Q: how to save money to get a cool bathroom renovation? people spend a lot of money renovating their house, but most of them forget to do anything to the bathroom.

A: How to Save Money to get a cool Bathroom Renovation? People spend a lot of money renovating their house, but most of them forget to do anything to the bathroom.

Q: 1556. christian vii: pastel by unknown artist.
A: 1556. Christian VII: pastel by unknown artist.

Problem: provide leakage quantification in all pressurised media:
Can you repeat this sentence, but capitalize it?
Answer: Provide leakage quantification in all pressurised media:

Text: in all, imtoo ripper pack platinum consists of programs most powerful in function, fast in speed and easy in use.

Correct capitalization: In all, ImTOO Ripper Pack Platinum consists of programs most powerful in function, fast in speed and easy in use.

Text: that is the reason why they join their efforts, and because each of the share-holder is not economic strong enough.

Correct capitalization:
That is the reason why they join their efforts, and because each of the share-holder is not economic strong enough.