2. Click the "Add Zip 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 Zip Files in Folder" then select a folder.
3. Select option either unzip each zip to its own subfolder or unzip all zips 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.