If your updates are not set to automatically install, click on the purple text above that lists the number of updates and you will be able to manually install them.
Select Settings on the right, and then select Windows Update on the left. Note: To install optional updates click Install Now after checking for updates. Windows will now check for and install all updates. Otherwise click on the Check for Updates button. NOTE: If you would like Microsoft Office updates to be included in the Windows updates you must follow the steps here. This document explains how to use Windows Update to install critical updates.