The award-winning WWI flight-sim Rise of flight is back and its bigger and better than ever with Rise of Flight: Iron Cross Edition! There are no refunds for this item. Digital Rights Management Disclosure. This software uses digital rights management software (“DRM”). DRM may limit the number of times you are permitted to install this software on a computer and/or the number of computers to which you may install the software. To function properly, DRM downloads certain data and files to your computer, which may or may not be uninstalled when you uninstall the software.