Installing TeX Live over the Internet
Downloading install-tl-windows.exe for Windows (18mb)
It’ll be start to install when you hit [Install].
…
After 90 minutes or more…
In this case,
You’ll be able to check LOGFILE as C:/Users/Ansu/Documents/App/texlive/2020/install-tl.log.
Finally close the installer.
Confirm the installation when you start.