I want a healthy body with a nice 6 pacs abs

In my teenage world, I had very slim body but after a few year, my body had more fat that i not really like. from here now, i want to challenge myself to workout and get the result before the end of this year. i hope i can achieve it.

actually, my tummy become like a 5 month pregnant women and i wonder if i can burn it out.

age: 23
height: 165 cm
weight: 68 kg
bmi: 24.97
bf: don't know how to calculate.