Red: My corrections

Blue: My comments

About learning language

About Learning Languages

I'm 23 now,in the first year of my college,

I am 23 now and in my first year of college. 

I've been studied Korean,But I almost forget it now.

I have studied Korean, but now I almost forgot it. 

Recently I'm interested in different languanges,such as Japanese'Frencn,Spanish and so on.

Recently, I am interested in different languages, such as Japanese, French, Spanish, and so on. 

I feel that life will be more colorful if you know more culture about other countries through learning their language.

I feel that life will be more colorful if you know more about the cultures of other countries by learning their languages. 

Though I'm just learning how to prounounce them,everything will be better.
Although I am just learning how to pronounce the words, I hope everything will be better.

Not bad. Keep on studying.