Update README.md

This is an update to the documentation and should resolve issue #1

README.md

@@ -29,22 +29,34 @@ Copy and past into `CMD`
 ```powershell
 curl https://efrick.ddns.net/git/efrick/Sysinfo/raw/branch/master/sysinfo.ps1 > %userprofile%\AppData\Local\Temp\sysinfo.ps1;
 
-Powershell.exe -command "$env:userprofile\AppData\Local\Temp\sysinfo.ps1"
+Powershell.exe -command "cd $env:userprofile; AppData\Local\Temp\sysinfo.ps1 -write_output"
 
 ```
 
-This copies the bat file to a temporary location and runs it.
+This copies the bat file to a temporary location and runs it with the command switch to write the results to the desktop.
+
+## Command Switches
+
+The following can be selected at run-time.
+
+* `-write_output`
+	- This outputs the system information to a text file. The default location is the users desktop.
+
+* `-file_location`
+	- This switch allows the user to set the path of the text file containing the results.
+
+* `-file_path` This is the path used for the system information text file.
 
 ## Dependencies
 
-### .bat File
-
-Uses `echo` and `wmic`.
-
 ### .ps1 File
 
 Powershell Version 5.1 or higher.
 
+### .bat File
+
+Uses `echo` and `wmic`.
+
 ## `sysinfo.ps1`
 
 This is now the recommended file to use.