2018.1.26
Normally, this would be fine. Texlive2017 installation.
However, when I clicked Install -Tl-Advanced, the installation interface failed to appear, so a pile of them appeared directly in CMD and finally said goodbye to me.
After checking, it is true and effective. System environment variables PATH and PATH are case-insensitive… Maybe it made me delete my my hand is out of control… So you need to add the cmd.exe location to your path, which is: C:\Windows\System32.

Then install it normally.