Update README.md

README.md

@@ -105,6 +105,17 @@ This solution seems to work on some computers, but JavaFX is often found problem
 Tests can be run with the following command: `mvn clean test`. <br>
 This requires having cloned the repository in the [first section](#source-code-compilation).
 
+# Persistence
+The application utilizes 'AppData' folders of the three major systems.
+
+This includes:
+- Windoows:  `~/home/AppData/Millions/`
+- MacOS:     `~/home/Library/Application Support/Millions/`
+- Linux:     `~/home/.local/share/Millions/`
+
+The application saves player and gamestate in the corresponding folders under the name `storage.json`. <br>
+This file can be removed via. the scripts attached to each Release in the `Releases` tab.
+
 # Guide to tests
 
 Testing follows the default AAA model (Arrange, Act, Assert). <br>