Please capitalize where necessary: about the time that macdonald published his prize winning essay on electric wave, guglielmo marconi was successful in the transmission of the first wireless signals across the atlantic.
A: About the time that Macdonald published his prize winning essay on electric wave, Guglielmo Marconi was successful in the transmission of the first wireless signals across the Atlantic.

Q: chat with a colleague, dial a customer's phone number and host or join a video meeting straight from your inbox with hangouts.

A: Chat with a colleague, dial a customer's phone number and host or join a video meeting straight from your inbox with Hangouts.

Q: the payout for scatter symbols is multiplied by your total bet. name of this page is a night out slot is a line.
A: The payout for scatter symbols is multiplied by your total bet. Name of this page is A Night Out Slot Is A Line.

Problem: from nrregade in copenhagen.
Can you repeat this sentence, but capitalize it?
Answer: From Nrregade in Copenhagen.

Text: kotor airport transfers (montenegro)

Correct capitalization: Kotor airport transfers (Montenegro)

Problem: open the formal.assessment (initial).winsat file in excel by right clicking the file and choosing open with -> excel
Can you repeat this sentence, but capitalize it?
Answer:
Open the Formal.Assessment (Initial).WinSAT file in Excel by right clicking the file and choosing open with -> Excel