Update Internet Explorer 9
Keeping Windows Internet Explorer updated will help make your browsing experience more secure and help fix or prevent problems. Internet Explorer updates are included with Windows updates.
Open Windows Update by clicking the Start button . In the search box, type Update, and then, in the list of results, click Windows Update.
In the left pane, click Check for updates.
If you see a message telling you that important updates are available, or that optional updates are available, click either message to view the updates.
Make sure the Internet Explorer updates that you want to install are selected, click OK, and then click Install updates.
If you're prompted for an administrator password or confirmation, type the password or provide confirmation.