Start with Windows 11’s built-in tools. If you need evidence for later (e.g., "prove to my ISP that I'm not using 2TB a month"), install GlassWire. For security investigations, learn Wireshark. But never guess—monitor.
Now your network is quiet. The graph is flat. You click "Join Meeting" with confidence.
If you are on a metered connection, use the Windows Settings menu to manage your overall data consumption. Settings > Network & internet > Data usage . monitor network traffic windows 11
Go to the tab. This is the surgeon’s scalpel.
End of story.
You now have a complete story of your network:
While built-in tools are great, third-party software offers more visual data and long-term tracking. Start with Windows 11’s built-in tools
For a deeper look into where your traffic is going, Resource Monitor identifies specific IP addresses and connections. How to Check Network Usage on Windows 11 PC or Laptop