Use the Export to Image wizard to export your wireframes to a PNG image, or to copy the exported image to clipboard. Specify the destination folder and the file name. To export only some parts of your wireframe, make sure to select them in the Screen Editor first and then choose Selection only option. Use the Scale option to adjust the resolution of the exported image.
Use Export to Image action to open the wizard. This action can be invoked from the Toolbar, Context Menu or just by pressing Ctrl+Shift+I shortcut.
Next: Exporting to PDF