Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to upgrade to internet explorer 9 [title] Open a session of internet explorer on your computer or device. [title] Click on the " help " option in the toolbar. [step] The help option is indicated by a question mark icon.

Ending1: [title] Select " about internet explorer " from the help drop-down menu. [step] Your current version of internet explorer will be displayed. Ending2: [title] Enter an appropriate url that you would like to access. [step] Depending on your operating system (which version of internet explorer 9 you'll be using), you may or may not use a url of your choice. Ending3: Once you click on it, a list of your available resources will be displayed. Scroll down the list and click on one of the available resources. Ending4: [title] Select the or " internet tab " button. [step] In the dialog box at the top of the page, select " settings " and click the " add new tabs " button.

Answer format: ending1/ending2/ending3/ending4