Updated Installation (markdown)

Installation.md

@@ -15,13 +15,9 @@ Don't forget to use UNC paths like `\\Server\Share` instead of mapped network dr
 
 * Install [Homebrew](https://brew.sh)
 * Install latest mono frameworks: brew install mono
-* Download release to desired folder (cd to that folder then run this command): curl -L -O $( curl -s https://api.github.com/repos/Radarr/Radarr/releases | grep linux.tar.gz | grep browser_download_url | head -1 | cut -d \" -f 4 )
-* Expand the file: tar -xvzf Radarr.develop.*.linux.tar.gz
-* Remove the archive: rm Radarr.develop.*.linux.tar.gz
-* Move into the new directory: cd Radarr
-* Start with: mono Radarr.exe
-* Optionally use screen, cd into the Radarr directory, use "screen", then "ls" to verify the directory, then "mono Radarr.exe", control+A+d to detach from the screen.
-
+* Download the latest release from here: https://github.com/Radarr/Radarr/releases (Radarr.$version.osx-app.zip)
+* Unzip it
+* Launch the app
 
 ### Debian / Ubuntu ###