Windows XP

• 1). Download and install the Web browser that you want to use before changing the default Web browser. You can choose from a variety of Web browsers such as Firefox, Safari, Opera, and Google Chrome.
  
  
• 2). Click the Windows "Start" button and then click the "Set program access and defaults" option. This launches the "Add or Remove Programs" dialog box.
  
  
• 3). Click the "Custom Level" button, and then click the arrow to your right. Under "Choose a default Web browser," click the Web browser other than Internet Explorer that you want to use as your default Web browser, and then click "OK" to save the changes.
  
  

Windows Vista and 7

• 1). Download and install the Web browser that you want to use before changing the default Web browser. You can choose from a variety of Web browsers such as Firefox, Safari, Opera, and Google Chrome.
  
  
• 2). Click the Windows "Start" button, and then click the "Default Programs" option on the start menu. You should see a list of the browsers installed on your computer.
  
  
• 3). Select the Web browser that you want to use as your default Web browser, and then click "Set this program as default."
  
  
• 4). Save the changes and close the programs window. Internet Explorer is no longer your default Web browser.