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diff --git a/SimulationControl/definitions/README.md b/SimulationControl/definitions/README.md
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+# What is this?
+
+The [updates.json](updates.json) file is the update definitions file. In other words, it lists the latest versions, changelogs and download URLs for each platform.
+
+The example project downloads the [updates.json](updates.json) file and analyzes in order to:
+
+- Compare the local (user set) version and the remote version (specified in [updates.json](updates.json))
+- Download the change log for the current platform
+- Obtain the download URLs
+- Obtain the URL to open (if specified)
+
+Check the article on this article on the [wiki](#) for more information.
diff --git a/SimulationControl/definitions/updates.json b/SimulationControl/definitions/updates.json
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+{
+  "updates": {
+    "windows": {
+      "full-url": "http://www.tianzd.cn:1995/TianZD/FlightDataAnalysis-deploy/raw/branch/master/download/FlightDataAnalysis-full.exe",
+      "latest-version": "2.2.3",
+      "download-url": "http://www.tianzd.cn:1995/TianZD/FlightDataAnalysis-deploy/raw/branch/master/download/FlightDataAnalysis-patch.zip",
+      "changelog": "modify updater module",
+      "modify-time": "20230729",
+      "mandatory": true
+    },
+    "linux": {
+      "full-url": "http://www.tianzd.cn:1995/TianZD/FlightDataAnalysis-deploy/raw/branch/master/download/FlightDataAnalysis-full.exe",
+      "latest-version": "1.0",
+      "download-url": "http://www.tianzd.cn:1995/TianZD/FlightDataAnalysis-deploy/raw/branch/master/download/FlightDataAnalysis-test.exe",
+      "changelog": "This is an example changelog for Linux. Go on...",
+      "modify-time": "20230726",
+      "mandatory": true
+    },
+    "ios": {
+      "full-url": "http://www.tianzd.cn:1995/TianZD/FlightDataAnalysis-deploy/raw/branch/master/download/FlightDataAnalysis-full.exe",
+      "latest-version": "1.0",
+      "download-url": "http://www.tianzd.cn:1995/TianZD/FlightDataAnalysis-deploy/raw/branch/master/download/FlightDataAnalysis-test.exe",
+      "changelog": "This is an example changelog for iOS. Go on...",
+      "modify-time": "20230726",
+      "mandatory": true
+    }
+  }
+}
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