Updated Installation (markdown)

Installation.md

@@ -1,12 +1,12 @@
 ### Windows ###
 
 * Download the desired [release](https://github.com/Radarr/Radarr/releases) and extract the *.zip* anywhere.
-* Run `Radarr.exe` once.
+* Run `Radarr.exe` as Administrator, once (this gives Radarr network access).
 * Create a new folder called `Bin` in `C:\ProgramData\Radarr\`
 * Copy the contents of the *.zip* into the Bin folder.
 * Run `ServiceInstall.exe`
 
-Radarr should now be installed as a service and auto started, check it is running by Navigating to <http://localhost:7878>. If the web-ui opens and works, installation is complete. If nothing happens, open Task Manager to the services tab, find Radarr, right click and choose "Start"
+Radarr is now installed as a service set to auto start, check that it is running by opening <http://localhost:7878> in your browser. If the web-ui opens and works, installation is complete. If it doesn't, open the Services tab in Task Manager, find Radarr, right click and choose "Start"
 
 Don't forget to use UNC paths like `//Server/Share` instead of mapped network drives like `M:\Movies`.