Go to:
https://www.blogger.com/start

And sing up for your blog in 3 easy steps....
When you are done you will have a user name and password don't forget it!
Sing in.On the dashbord you should see +New Post and links Manage: (Posts | Settings | Layout) for your blog.Now you can set up your blog in Settings and you can change your Layout,Template in Template or you can Post or Edit your posts in Posting section by clicking on any link in manage you should see the Section Tabs (Posting | Settings | Tamplate).