Why I wWant to iImprove mMy English?

Title capitalization rules.

Here, you are not asking a question, you are providing your reasoning. So no question mark.

First, it's the international language, so it is spoken in a lot of countries.

Also, when I will be talleram (older?), I want to travel a lot, so I will have to be good in English to understand the habitantlocals.

Tallness is about your physical height. I imagine you mean when you are older.

From the perspective of traveling, we refer to the people living there as "locals"

I want to be an engineer and I think it'English is an important factor for lathere too because we will can talwork with people from other countries.

More natural

Thanks for reading !

No spaces before exclamation points