diff --git a/MacInstallation.md b/MacInstallation.md
index 1333ed77..d954c7bb 100644
--- a/MacInstallation.md
+++ b/MacInstallation.md
@@ -1 +1,40 @@
-TODO
+install homebrew
+    \curl -sSL https://get.rvm.io | bash -s stable --rails
+
+    rvm install 1.9.3 --with-gcc=clang
+
+    rvm use 1.9.3
+
+    gem install lunchy 
+
+(http://www.moncefbelyamani.com/how-to-install-postgresql-on-a-mac-with-homebrew-and-lunchy/)
+
+
+    brew install postgresql
+    ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
+    createuser metamaps -P -s -d
+
+set a password
+
+    lunchy start postgres
+
+
+cd into the metamaps directory
+
+    bundle install
+
+
+copy the database.yml.default file and rename it database.yml
+make sure the username and password match the POSTGRES username and password you set
+
+
+
+http://nodejs.org/ hit install, download, open, install
+
+
+
+    rake db:create
+    rake db:schema:load
+    rake db:fixtures:load
+    rails s 
+( to start the server)