If you to do online business by youtube .then you may first require your google account .
after your google account you will sign in for youtube.you upload your videos that created by you.remember videos does not copied from youtube.you upload your own created videos only .1)make Your videos clear and sharp.
2)try to attracted scene in videos.
3)videos should be large in size that help you for earn more.
for more about your youtube account click here