To install the extension

• Go to the Magento Admin panel.
• On the top navigation bar, point to the System menu.
  The menu appears as shown in the following figure:
  
• Point to the Magento Connect menu, and then click Magento Connect Manager.
  The page appears as shown in the following figure:
  
• Scroll down to the Ebay_Integration Package.
• In the Actions column, select the Install option from the list.
• Click the Commit Changes button.
  Auto-scroll console contents screen appears and the extension is installed after the process.