How to install blank interface

1. Open www.magentocommerce.com
2. Go to “Product>Extensions” and click the “Magento core” button
3. Click “Get extension key” button and copy your extension key
4. Open Magento admin panel.
5. Go to “System>Magento connect>Magento Connect Manager”
6. Paste your extension key here and click “Install” button
7. That’s it! The blank interface has been installed and your Magento store was updated to the latest version!