There are only a few steps to install the plugin on your Joomla 1.5 website:

1. Login to the backend of your website and navigate to Extensions - Install/Uninstall.

2. Select the component file that you downloaded to your hard disk and click File Upload & Install.

3. To set the necessary parameters navigate to Components - Excel Uploader and click the Settings button. You are now ready to upload an Excel workbook! Enjoy!