Windows clients that are part of an Active Directory domain automatically get their time synchronized from the domain server. If your client is not part of a domain you can add your new NTP server to your Windows client. Here's how: 1  Click on the time at the bottom right hand side of your screen.2  Click on the Internet Time tab of the dialog box. 3  Click the check box labeled Automatically synchronize with an Internet time server and enter the name or IP address in the box underneath it.ere's how: 1  Click on the time at the bottom right hand side of your screen. 2  Click on the Internet Time tab of the dialog box. 3  Click the check box labeled Automatically synchronize with an Internet time server and enter the name or IP address in the box underneath it.