message: Make INSTALL.md file more informative
diff: -# Building Bitcoin
  +# Installing Bitcoin Unlimited
  +This document describes how to install and configure Bitcoin Unlimited.
  +# Downloading Bitcoin Unlimited
  -Running
  ----------------------
  -The following are some helpful notes on how to run Bitcoin on your native platform.
  +If you just want to run the Bitcoin Unlimited software go to the
  +[Download](https://www.bitcoinunlimited.info/download) page and get the relevant
  +files for your system.
  -### Unix
  +
  +## Windows
  +
  +You can choose
  +
  +- Download the setup file (exe), and run the setup program, or
  +- download the (zip) file, unpack the files into a directory, and then run bitcoin-qt.exe.
  +
  +
  +## Unix
  Unpack the files into a directory and run:
  - `bin/bitcoin-qt` (GUI) or
  - `bin/bitcoind` (headless)
  -### Windows
  +## macOS
  -Unpack the files into a directory, and then run bitcoin-qt.exe.
  +Drag Bitcoin-Unlimited to your applications folder, and then run Bitcoin-Unlimited.
  -### macOS
  +# Building Bitcoin Unlimited from source
  -Drag Bitcoin-Unlimited to your applications folder, and then run Bitcoin-Unlimited.
  +See doc/build-*.md for detailed instructions on building the Bitcoin Unlimited software. Includes both info on building `bitcoind`, the intended-for-services, no-graphical-interface,
  +implementation of Bitcoin and bitcoin-qt, the GUI.
  See [README.md](README.md#quick-installation-instructions) for Quick Installation Instructions.
  -See doc/build-*.md for instructions on building the Bitcoin Unlimited
  -`bitcoind`, the intended-for-services, no-graphical-interface,
  -implementation of Bitcoin.
  +
  +# Setup and initial blockchain download
  +
  +
  +
  +# Getting help
  +
  +
  