Nano is my preferred editor for quick config changes. It's simple to install or even comes standard on many unix systems but what about Windows?
Install Chocolatey (Run as Administrator in PowerShell)
Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
Install Nano (Run as Administrator)
choco install nano
Now you can run
nano to open the editor.