To add a toolbar, click Tools, then Toolbars from the Command bar or right-click on the Command bar to see a list of toolbar options. You can activate or deactivate a number of Internet Explorer toolbars from this menu option. You can even Lock the Toolbars to make Internet Explorer 8 show the same toolbars each time you use the browser.

To add or remove Add-ons, click Tools from the Command bar and select Manage Add-ons from the drop-down menu. From this menu you can view and manage a list of different Add-on Types you've got installed in the browser. To add more, click on the Find more providers... option at the bottom of the window. To delete an Add-on, highlight the one you wish to remove and select Remove, or select Disable if you wish to leave it installed but make it inactive.