QUES: My friend borrowed this flash USB drive to transfer few of his files from his computer

correct the punctuation.

CORRECTED: My friend borrowed this flash USB drive to transfer few of his files from his computer.

QUES: The fastest and easiest way to open your U3P file is to doubleclick it

correct the punctuation.

CORRECTED: The fastest and easiest way to open your U3P file is to double-click it.

QUES: New Years Eve or Cap dAny has its own special traditions in Catalonia Do you have no idea what to do Dont worry we are here to help you fix that problem

correct the punctuation.

CORRECTED:
New Year's Eve, or Cap d'Any, has its own special traditions in Catalonia. Do you have no idea what to do? Don't worry, we are here to help you fix that problem.