How to change your blog template
1.Visit the Blogger website.
2.Sign in using your Google account.
3.Click the “Theme” tab for the blog you want to edit from your list of blogs.
4.Click on “backup/Restore” button at the top right corner as shown
5.Click “Choose File” to upload a template from your hard drive.
6.Browse for your compatible .XML template and click open.
7.Click “Upload”
8.After Upload template will be changed