Maybe someone will encounter such a problem at the “beginner-beginner” stage, so I’ll tell you what I did.
To begin with, installing gulp, I ran into the problem that it gave an error when performing the task. After monitoring this topic, I realized that the dog is buried in the fact that the path to this folder contains a system folder, whose name was in Cyrillic, which prevents adequate work of the galp.
I changed the name of the system folder, but the problem persisted. Only with another message: "Gulp is not an internal or external command, an executable program or a batch file . "
Intuitively understood that the problem most likely lay during the renaming of the system folder. After searching for information on this topic, I found out that it was necessary to make changes also in the additional parameters of the system. Namely, in the PATH variable, changing the values ​​from the Cyrillic alphabet, which remained there, to the Latin name, which has changed.
And it all worked.
These are the beginner's adventures.