WordPress.org

From WordPress administrator section

1. Navigate to Plugins -> Add New
2. In search box write: "Badge Fever Shortcode"
3. Click on "Install Now" link below the plugin title
4. After installation is finished, click on "Activate Plugin" link
5. Use [display_badges email="your@email.com"] shortcode anywhere you wish

Upload through WordPress administrator section

1. Download ZIP file of the plugin
2. In WordPress administration panel navigate to Plugins -> Add New
3. Click on link "Upload"
4. Select the zip file you downloaded and confirm submission
5. After installation is finished, click on "Activate Plugin" link
6. Use [display_badges email="your@email.com"] shortcode anywhere you wish

Manual Upload

1. Download ZIP file of the plugin
2. Upload the content of ZIP file into 'wp-content/plugins'
3. Open your WordPress administration panel
4. Navigate to Plugins -> Installed Plugins
5. Click on "Activate Plugin" link below plugin title
6. Use [display_badges email="your@email.com"] shortcode anywhere you wish