update install instructions

INSTALL.md

@@ -1,19 +1,33 @@
-#### Installing lbrynet on Linux
+#### Installing the LBRY app
 --------------------------
 
-The following packages are necessary (the following are their names on Ubuntu):
-libgmp3-dev build-essential python2.7 python2.7-dev python-pip
+Installing LBRY is simple. You can get a dmg installer for OS X (Mavericks and up) or a .deb for linux [here](https://lbry.io/get). 
 
-To install them on Ubuntu:
-sudo apt-get install libgmp3-dev build-essential python2.7 python2.7-dev python-pip
+##### OS X
+Just drag and drop LBRY.app into your applications folder (replacing any older versions). When it's running you'll have a LBRY icon in your status bar.
 
-python setup.py build bdist_egg
-sudo python setup.py install
-```
+##### Linux
+Double click the .deb file and follow the prompts. The app can be started by searching "LBRY", and it can be turned off by clicking the red 'x' in the browser interface.
 
-this will install all of the libraries and a few applications
+On both systems you can also open the UI while the app is running by going to lbry://lbry in Firefox or Safari, or localhost:5279 in Chrome.
 
-For running the file sharing application, see [RUNNING](RUNNING.md)
+
+#### Installing LBRY command line
+
+##### OS X
+You can install LBRY command line by running `curl -sL https://rawgit.com/lbryio/lbry-setup/master/lbry_setup_osx.sh | sudo bash` in a terminal. This script will install lbrynet and its dependancies, as well as the app. You can start LBRY by either starting the app or by running `lbrynet-daemon` from a terminal. 
+
+##### Linux
+On Ubuntu or Mint you can install the prerequisites and lbrynet by running
+ 
+ ```
+ sudo apt-get install libgmp3-dev build-essential python2.7 python2.7-dev python-pip
+ git clone https://github.com/lbryio/lbry.git
+ cd lbry
+ sudo python setup.py install
+ ```
+
+To start LBRY, run `lbrynet-daemon` in a terminal.
 
 #### On windows: