HOW TO INSTALL BLOGGER TEMPLATE
Browse the templates in 90degreetemplates.blogspot.com and then choose one, now Click in “Download button” and save file in your hard drive.
File format that you have downloaded is may be a .ZIP file. so need to be extracted. Please Extract / Unzip it.
Find your Blog in your Dashboard for you want to change template, and select “Template” in Drop Down menu options.
Look at the top right corner, you will see Backup / Restore button
Before doing this, Please backup your previous template because, if you have any problem after uploading the new template, the backup file will help you for restore. Please Read the post about Backup and Restore in Blogger.
Manage on pop-up windows and click “choose file” button and look for folder that is created after extracted file that you have downloaded.
Folder may has a .XML file and .TXT file or Internet shortcuts, you should select only XML file.
Click Upload button. Now upload process may appear in your screen.
Now the template will be appear in your blog successfully. Enjoy!