If the Windows installer fails, you can use an ISO image to resolve it.

See below for more information.

http://www.tug.org/texlive/acquire-iso.html

The following is an overview of the actual capture and setup from the ISO image.

Download these locally

Mount as a virtual drive.

Hit install-tl-windows.bat !

The installation process will start as follows.

In this case, the completion screen was completed in about 70 minutes.