Hello, Mmy name ıis Kübra.

I am a teacher computcomputer teacher.

I am working class ystudy English lessons on YoutTube.

I am still class seve’m only on the seventh lesson.

I amwill write here evrery Dday.

My write this one.This is my first message.¶
¶

I am new to learning New eEnglish

"I am new to ____" means that you're starting something that you haven't done before
English (and languages) are capitalized

Hello, Mmy name ıis Kübra.

"my" isn't the first word of the sentence or a proper noun, so it is not capitalized

I am a teacher computcomputer teacher.

"computer" goes before teacher

I am working classlearning from youtube.

I am still in class seven.

"in class ___"

I amwill write here evrery Dday.

"will" for future
Day is not a proper noun

My write this oneThis is my first post.

I think that's what you meant to say

I am new to learning New eEnglish

I am a teacher computcomputer teacher.

I am working class youtube.

Do you mean "I am studying English using a YouTube class"? Or are you still talking about your job as a teacher?

I am still on class seven.

Or "I am only on class #7"

I amwill write here evrery Dday.

My write this one.

This is my first day of writing.