docs: update readme

README.md

@@ -1,13 +1,24 @@
-# stl_compresser
+# STL Compressor
 
-usage: 
+STL Compressor is a tool designed to compress STL files efficiently. Users can conveniently compress multiple STL files in batches, reducing their file sizes without compromising on quality.
 
-```bash
-pip install -r requirements.txt
-python stl_compresser_ui.py
-```
+## Usage
+
+* Windows users can download [here](https://github.com/fan-ziqi/stl_compresser/releases) 
+
+* Python
+
+  ```bash
+  git clone https://github.com/fan-ziqi/stl_compresser.git
+  cd stl_compresser
+  pip install -r requirements.txt
+  python stl_compresser_ui.py
+  ```
+
+## Packaging
+
+To package the application as a standalone executable, use PyInstaller:
 
-pack:
 ```bash
 pyinstaller --onefile --windowed stl_compresser_ui.py
 ```