Your network contains a Windows Server Update Services (WSUS) server. A Group Policy object (GPO) configures all WSUS client computers to detect updates hourly and install updates weekly.You download a critical update.You need to ensure that the WSUS client computers install the critical update during the next detection interval.
What should you do?（）

Your network contains an Active Directory domain. The domain contains a Windows Server Update Services (WSUS) server named Server1. A Group Policy object (GPO) named GPO1 configures all computers in the domain to use Server1 for Windows Update.You add a new Windows 7 computer named Computer1 to the domain.From the Update Services console, you discover that Computer1 is not listed as a member of any computer groups.You verify that GPO1 is applied to Computer1.You need to ensure that Computer1 is available in the Update Services console.
What should you do？（）