QUESTION: Fix punctuation: Finally you can now discover everything you need to know about your MXI file instantly
ANS: Finally, you can now discover everything you need to know about your MXI file... instantly!

QUESTION: Fix punctuation: I began some small meetings with a few young people
ANS: I began some small meetings with a few young people.

QUESTION: Fix punctuation: Articles about solar energy
ANS: Articles about "solar energy" -

QUESTION: Fix punctuation: 6 programmes with aqua sensor and 2 options Power and Intensive
ANS:
6 programmes with aqua sensor and 2 options, Power and Intensive: