Metered connection mode is designed for using with mobile modems, tethering or another internet connections where the traffic is limited (or is NOT unlimited). The purpose is traffic saving. For instance, in this mode Windows won’t download updates,so you can use this option to postpone the installation of updates.
How to Set a Connection as Metered in Windows 10
Click the network icon in the taskbar.
Click Network settings:
Select Advanced options:
Turn on the metered connection mode:
Done! From now on Windows 10 will reduce data usage when you are connected to this network.