2. Click the "Add Rar File(s)" button to add files. Then an open file dialog will appear, hold CTRL or SHIFT key to select multiple files. To add all files in a folder, click "Add All Rar Files in Folder" then select a folder.
3. Select option either unzip each rar to its own subfolder or unzip all rars to one folder.
4. Browse for destination folder or output folder where files are extracted.
5. To start unzipping the selected files, click the "Do It!" button.