Update dataset/README.md

dataset/README.md

@@ -1 +1,24 @@
-# myOCR Dataset
+# myOCR Dataset
+
+## Dataset Preparation 
+
+### **On Windows**
+1. Right-click the `Images.zip` file.
+2. Select **"Extract All…"** or use a tool like **7-Zip** or **WinRAR** for advanced extraction options.
+
+### **On macOS**
+1. Double-click the `.zip` file. It will automatically extract in the same directory.
+2. Alternatively, use **Terminal**:
+   ```bash
+   unzip Images.zip
+   ```
+
+### **On Linux**
+1. Use a file manager to extract, or use the terminal:
+   ```bash
+   unzip Images.zip
+   ```
+   If `unzip` is not installed, you can install it via:
+   ```bash
+   sudo apt-get install unzip
+   ```