By default, previewing opens in a new tab. You can modify this to see your source and your preview side-by-side.
If you wish, you can have your source and preview side-by-side
- Press the Preview button in the toolbar
The preview window launches
- Drag the preview window by the top tab to the left, right, bottom, or top of the editor area, depending on how you wish to split the screen.
- Saving the original source file updates the preview.