Too slow internet after installing windows 10, what is the reason and how to fix it?

Question

Windows

In Windows 7 on the same computer, the download speed is 3.5 mb / per second, in win 10 - 20 kb / per second.
Mat. board - Asus M4A79 Deluxe
In speedtest'e writes 30 Mbps / per second

Answer 1

start with the banal - reinstall the network card drivers

Answer 2

First of all, make sure that gigabytes of updates are not downloading at the moment, win10 loves it.
Secondly, reduce or disable the channel reservation for installing updates (google about it, how and where it is configured).
In the zero queue, update the drivers.