Step-1
1. Sign in to your blogger blog and head to “design” => “Edit HTML”
Step-2
2 Before uploading new template backup your previous template.
Step-3
3 Now browse your computer and select and upload your desired template.
Step-4
4 After this process, blogger will ask whether to keep or delete your widgets.
Step-5
5 Now preview your blog and if everything is fine hit 'Save Template' button.
