The URL is no longer valid.

[BigTarr]

invoke-webrequest

They have shutdown Codeplex....> 'https://conemu.codeplex.com/downloads/get/891710'

-usebasicparsing -usedefaultcredentials -outfile .\ConEmu.7z

[BigTarr]

It's in the step where you a the last bit in this snippet of your instructions

Setup ConEmu - Includes the color scheme you see in the screenshot.

Clone repo with ConEmu configuration and installation script

cd C:
git clone https://github.com/xpando/ConEmu.git
cd ConEmu

Install fonts

dir .\Fonts*.ttf |% { add-font -path $_ }

# # download and unzip ConEmu binaries

.\install.ps1