We had already seen about the steps required for installing the latest updates for Office 2013. But what if your Office 2013 is not showing any updates for install when there are actually some updates are available. One possible reason for this scenario might be to do with the windows update setting,
Step 1: Right click on the bottom left corner of your Window 8 machine.
Step 2: Select Control Panel from the menu list.
Step 3: In the Control Panel window, click the System and Security settings.
Step 4: Select Windows Update option under System and Security Window.
Step 5: In the Windows Update screen, click the Change settings option available on the left hand side.
Step 6: Navigate to Microsoft Update section in Change settings window. Then make sure to mark the check box with caption as “Give me updates for other Microsoft products when I update Windows”.
Step 7: Click OK button to confirm and save the changes.
Hope this helps in resolving the problem related with receiving updates for Office 2013.