Update README.md (#256)

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Author: TownLake

README.md

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 # Argo Tunnel client
 
-Contains the command-line client and its libraries for Argo Tunnel, a tunneling daemon that proxies any local webserver through the Cloudflare network.
+Contains the command-line client for Argo Tunnel, a tunneling daemon that proxies any local webserver through the Cloudflare network. Extensive documentation can be found in the [Argo Tunnel section](https://developers.cloudflare.com/argo-tunnel/) of the Cloudflare Docs.
 
-## Getting started
+## Before you get started
 
-    go install github.com/cloudflare/cloudflared/cmd/cloudflared
+Before you use Argo Tunnel, you'll need to complete a few steps in the Cloudflare dashboard. The website you add to Cloudflare will be used to route traffic to your Tunnel.
+
+1. [Add a website to Cloudflare](https://support.cloudflare.com/hc/en-us/articles/201720164-Creating-a-Cloudflare-account-and-adding-a-website)
+2. [Change your domain nameservers to Cloudflare](https://support.cloudflare.com/hc/en-us/articles/205195708)
+
+## Installing `cloudflared`
+
+Downloads are available as standalone binaries, a Docker image, and Debian, RPM, and Homebrew packages. You can also find releases here on the `cloudflared` GitHub repository.
+
+* You can [install on macOS](https://developers.cloudflare.com/argo-tunnel/getting-started/installation#macos) via Homebrew or by downloading the [latest Darwin amd64 release](https://github.com/cloudflare/cloudflared/releases)
+* Binaries, Debian, and RPM packages for Linux [can be found here](https://developers.cloudflare.com/argo-tunnel/getting-started/installation#linux)
+* A Docker image of `cloudflared` is [available on DockerHub](https://hub.docker.com/r/cloudflare/cloudflared)
+* You can install on Windows machines with the [steps here](https://developers.cloudflare.com/argo-tunnel/getting-started/installation#windows)
 
 User documentation for Argo Tunnel can be found at https://developers.cloudflare.com/argo-tunnel/
+
+## Creating Tunnels and routing traffic
+
+Once installed, you can authenticate `cloudflared` into your Cloudflare account and begin creating Tunnels that serve traffic for hostnames in your account.
+
+* Create a Tunnel with [these instructions](https://developers.cloudflare.com/argo-tunnel/create-tunnel)
+* Route traffic to that Tunnel with [DNS records in Cloudflare](https://developers.cloudflare.com/argo-tunnel/routing-to-tunnel/dns) or with a [Cloudflare Load Balancer](https://developers.cloudflare.com/argo-tunnel/routing-to-tunnel/lb)
+
+## TryCloudflare
+
+Want to test Argo Tunnel before adding a website to Cloudflare? You can do so with TryCloudflare using the documentation [available here](https://developers.cloudflare.com/argo-tunnel/learning/trycloudflare).