Add Missing Formats in 'Add Files' file filter.If you want to try the current version with the option to restore your older version, please backup your Program Files sub folder containing the software for Windows, or copy the app from your Applications folder to a backup location for Mac OSĬlick the appropriate button to download the latest version of this software: For upgrade pricing go to with your old registration ID number and Key. Please be aware if you purchased more than 6 months ago you may need to purchase an upgrade to use the current version. To find out what version of the software you are currently using, click Help on the menu bar at the top of the program's window (not the Help button on the toolbar), and then click 'About Spin3D Mesh Converter'.