Why does a UnicodeDecodeError occur when updating pip on Windows?

Question

Python

I ran into such a problem when installing get-pip.py on python 2.7
Everything is fine on python 3.5, but pip on 2.7 is definitely needed, what am I doing wrong?

Answer 1

Your username is in Cyrillic. It should be renamed to Latin.

Answer 2

Cyrillic characters on the way