How to Install a template in Blogger? Please follow the instructions below :

• Download a template file (Zip / Rar) and unzip.

• Log in to Blogger.
• Go to "Layout" under "Dashboard".
  
• Click "Edit HTML" under "Layout".
• Don't forget for backup your old template.
  
• Find and Upload the new Blogger template.  
• If a warning: Your new template does not include the following widgets, click "KEEP WIDGETS".
• Finish, Enjoy your new blog design.