Unlike THE EULAs, free software licenses do not function as contractual extensions of existing legislation. No agreement is ever reached between the parties, because a copyright license is merely a declaration of authorization for what would otherwise not be permitted by default under copyright.  What we did was download the source, then copy and modify the existing license dialog box (we wanted a release note dialog box, so we disabled most of the controls). I would add a simple assistant interface and I`ve read about minimal and other configurations, but I have a somewhat unusual requirement that I would need two different license style chords. The first licensing agreement is a standard licence, the second is about government export restrictions. 6.3 If you agree on the details of the contract for the payment of fees, royalties and taxes for production licenses, maintenance and support, additional software, additional users or extended user fees, other maintenance and assistance periods or other acquisitions after receiving a tax invoice under this Contract, PaperCut will provide you with a tax bill for fees and taxes at the beginning of the license or delivery of the service. , and you must pay this tax bill within 14 days of receipt. Rental. You cannot rent, rent, lend, copy, modify, sub-concede, give time, transfer or receive the Software, unless provided for in this license or as indicated by ADD-IN EXPRESS. You must not translate, redevelop, decompilize or disassemble the software or its documentation or otherwise modify it. A free software license gives users of this software the right to use, modify and redistribute creative works and software that are both copyrighted and generally not licensed with proprietary software. These licenses usually contain a disclaimer, but this feature is not just for free software.  Copyleft licenses also contain a key add-on clause, which must be followed to copy or modify the software, requiring the user to provide source code to the factory and distribute its changes under the same license (or sometimes compatible); effectively to protect derivative works from the loss of original permissions used in proprietary programs.