README.md in PlayRockPaperScissorsGame-1.4.9 vs README.md in PlayRockPaperScissorsGame-1.5.0

@@ -29,10 +29,11 @@
 1. Run the `uninstaller.sh` file (located in the `exec` folder) with the `Terminal`
 
 ### Install and Run on Windows
 
 1. Download and install Ruby for Windows (if not already installed); download [here](https://rubyinstaller.org/downloads/)
-2. Run the `rps.bat` file (located in the `exec` folder)
+2. Open `cmd` and type in: `gem install PlayRockPaperScissorsGame`; hit <kbd>return</kbd>
+3. Run the `rps.bat` file (located in the `exec` folder)
 
 #### Running
 
 1. Open the `rps.bat` file (located in the `exec` folder)