Displaying PDFs in a browser
Internet Explorer 8 and 9
Step 1: Open Internet Explorer
Step 2: Choose Choose Tools > Manage Add-ons
Step 3: Select Toolbars and Extensions
Step 4: In the Show menu, select All Add-ons.
Step 5: In the list of add-ons, select Adobe PDF Reader.
Top Tip: If you don’t see the Adobe PDF Reader add-on, try the other options on the menu. For example, on some systems, the add-on appears when you select Run Without Permission.
Step 6: Click Enable or Disable (it changes depending on the status of the selected add-on):
- Enable sets the Adobe PDF Reader add-on to open PDFs in the browser.
- Disable turns off the add-on so it doesn’t open PDFs in the browser.

For more information, see the Internet Explorer help topic Using the Internet Explorer 8 Add-on Manager or How to manage add-ons in Internet Explorer 9.