Update README.md

README.md

@@ -1,6 +1,6 @@
 # Heif2Jpg Converter
 
-## Building the app
+### Building the app
 
 1. Download this repository
 `git clone https://gitea.jakubvanko.sk/jakub/Heif2Jpg.git`
@@ -10,3 +10,14 @@
 3. Recreate the environment `conda env create --file environment.yml`
 
 4. To build the app run the `build.bat`
+
+### Downloading the app
+Visit the [Release](https://gitea.jakubvanko.sk/jakub/Heif2Jpg/releases) page for downloading the latest version.
+
+### Using the app
+The application has a very simple UI. There are three self-explanatory buttons.
+<br>
+<br><img src="/attachments/1c6366a3-fbbb-4187-987a-bf7a9710c552" alt="Heif2JpgConverter" width="40%"><br>
+1. Select the input folder with the HEIF/HEIC images.
+2. Select the output folder where the JPG files should be written.
+3. Press the Convert button to start the conversion process.