1. You can download new template and use it for you blog.first u have to download
a template.log to your blog.Go to dashboard and click"design".see below image.
2. After u can see like this page.Click "Edit Html"
3. Now you can see Html page.IF you will want to keep your old template,you must have
to download.i think its better.because if something happen to your new template you
can restore it."click download full template" to download it.
4. After download it you can change your template.Click"browse" to get your template.
select the template file and click "upload".after it will update.
5. After upload if you got this message if u like keep it u can if not you can delete it.
no need to worry it.it because some widgets not working for this template.now
click "view blog and see how it nice.