temporarily disable protection programs (firewall, antivirus, etc.);

make sure that applications such as torrent, vpn, etc .;

stop streaming video;

make sure that at the moment there is no download of information from the Internet.

for correct testing, measure the speed of the direct wired connection. Wi-Fi connection speeds are affected by external factors that are independent of the provider, and such a test will not provide reliable information;

The most objective result of the speed test can be seen in safe mode with network support (if Windows), to switch to this mode, restart the computer and when you turn on the computer, often press F8 (until the menu of additional boot options) .