Added instructions for windows installation.

Installation.md

@@ -63,4 +63,30 @@ Confirm the service is running.
 
     service radarr status
 
-Navigate to http://ipaddress:7878
+Navigate to http://ipaddress:7878
+
+### **WINDOWS**
+
+Create a new folder called Radarr in your desired installation location
+
+`Default Location = C:\ProgramData\Radarr`
+
+Place the contents of the .zip with in the folder.
+
+`After extraction = C:\ProgramData\Radarr\Radarr` 
+
+Rename the extracted folder to Bin
+
+`Example = C:\ProgramData\Radarr\Bin`
+
+Once this is done open the folder
+
+`Run = ServiceInstall.exe`
+
+Radarr should now be installed as a service and auto started, check it is running by Navigating to localhost:7878 if the Web-ui opens installation is complete, if nothing happens open task Manager.
+
+`Click the services Tab and find Radarr, Right click and choose "Start"`
+
+This should now be complete. 
+
+