Free HEIC Viewer is a professional photo viewer. Note: This app does't support Windows 10 S. If you want to convert HEIC files to other format, you could download "HEIC Image Converter S" or "HEIC Image Viewer - Support Converter". This app has three user interface: #Normal viewer #Photo gallery #Slide show Normal viewer: 1. Drag and drop the file to the image viewer. 2. Rotate the image. 3. Zoom in and out. 4. Delete the image by just one-click. 5. Drag the image and scroll the mouse to change viewing size. Photo gallery: 1. Explorer the image folder and show the images automatically. 2. Show the selected image by Double-Click.