Please capitalize where necessary: check rates and availability for casa linda hotel. then proceed to booking.
A: Check rates and availability for Casa Linda Hotel. Then proceed to booking.
Q: in an area with excellent connections, whether you travelling by metro or by bus it´s very easy and quick to get to the centre of barcelona.

A: In an area with excellent connections, whether you travelling by metro or by bus it´s very easy and quick to get to the centre of Barcelona.
Q: 6.1 you agree and understand that you are responsible for maintaining the confidentiality of passwords associated with any account you use to access the services.
A: 6.1 You agree and understand that you are responsible for maintaining the confidentiality of passwords associated with any account you use to access the Services.
Problem: add * to search for matches in your bookmarks.
Can you repeat this sentence, but capitalize it?
Answer: Add * to search for matches in your bookmarks.
Text: this software comes with a variety of features, which prove to be useful when you wish to block the websites that are not needed by you.

Correct capitalization: This software comes with a variety of features, which prove to be useful when you wish to block the websites that are not needed by you.
Problem: 2:21for there is a man whose labor is with wisdom, with knowledge, and with skillfulness; yet he shall leave it for his portion to a man who has not labored for it. this also is vanity and a great evil.
Can you repeat this sentence, but capitalize it?
Answer:
2:21For there is a man whose labor is with wisdom, with knowledge, and with skillfulness; yet he shall leave it for his portion to a man who has not labored for it. This also is vanity and a great evil.