This is the way to change of your old template with the XMl Template
Make sure you have backed up your template before installing a new one.
1.

You have to choose a Template
2.

Download a template and unzipp (if you can't unzipp, please download Winrar.)
3.

Go to your Blogger Control Panel - Edit HTML
4.

Browse the XML file you have saved and upload it.
5.
Finished!
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