Make sure you have an internet connection. To add your device to your current plan or buy a new plan To check for updates, select the Start button, then select Settings > Windows Update > Check for updates. If your system has updates pending, instead of the Check for updates button on that page, you'll see one or more updates ready for installation.įor more info about using an eSIM in Windows, see Use an eSIM to get a cellular data connection on your Windows PC.Ĭellular data plans aren’t available in all countries or regions.