Честно говоря, моё первое видео был

Честно говоря, моё первое видео было ужасным. Но я все-равно продолжала трудиться и изучать видео-редактор. Потом через год я создала свой канал на YouTube и начала загружать туда свои видео.

Результаты (английский) 1:

Honestly, my first video was terrible. But I still continued to work hard and learn the video editor. Then a year later I created her channel on YouTube and upload your video.

Результаты (английский) 2:

Honestly, my first video was terrible. But I still went to work and study video editor. Then a year later I have created its own channel on YouTube and start uploading your videos there.

Результаты (английский) 3:

Frankly speaking, my first video was terrible. But I still continued to work and to study video-editor. Then a year later I had established its own channel on Youtube and start to download their video.