Blogger platform is Google service so basically you need Google account to create blog. If you already have an account you can go to the webpage www.blogger.com to create blog. Otherwise you need to register at Google. After you sign in you are ready to create a blog.
To create a blog you simply click Create a Blog button. You must choose the blog title and blog address (URL). The URL will contain blogspot.com domain. This is free domain that you can use. Later if you decide to use your own domain you can register it via Blogger. Domain name must be unique since this is the address that will be known to your readers on the internet.
After you decide about blog name and URL address you can click Continue button. You came to the Choose a starter template page. You can decide about your basic layout of your blog which can be changed later. After you click Continue button you are ready to blog. Your new blog is now created.
Before you start blogging it is advisable to do some basic customization.Under Design tab you can change the look of you blog. Basic layout is determined by selected template. To change header look you click Edit button under header box. You can add blog name and header image which can be uplouded from your computer. You can also import some widgets to other boxes. Widget's positions can be changed by drag widget from on box to other. When they are arranged you click Save button. Now you can write your first post, under Posting tab.
Ok, enough for the first time.