Why didn't I receive a Windows 10 upgrade notification?

After a long wait, Windows 10 finally arrived! The system will be pre-installed into more new computers for consumers, but for some old users, they are more likely to pass Windows 7/8.1. Free upgrade channel to get Windows 10. However, some users have reported that when Windows 10 was officially launched, it did not receive updates like everyone else. Why?

In response, the UK Windows team posted a message via Twitter earlier that Microsoft Instead of pushing Windows 10 to all users at the same time, it distributes batch pushes, which ensures distribution efficiency.
So, if you haven't received an update for Windows 10, don't be nervous, it's only temporary.
It is reported that Microsoft has reserved up to 40Tbps of bandwidth for pushing Windows 10 upgrades, but due to the strong desire of users to upgrade, the server and CDN network are facing tremendous pressure.