(c) Copyright 1997-2023 by François Blateyron
All rights reserved.
Version of November, 2023
This is the latest version of the Shadows end-user license agreement. Please read this file carefully. Thank you.
This End-User License Agreement is a legal agreement between you (an individual, an association or an organization) and the author of Shadows (François Blateyron). By installing and using the Shadows, you fully accept the terms of this agreement. If you do not agree, you must not install Shadows and delete it from your computer.
Shadows, the standard level of this product, is a freeware program.
You may acquire a license for Shadows Expert or Shadows Pro by paying a license fee. These levels offer advanced features that are not available in the standard level. Please refer to the documentation or web site for information on how to buy these licenses and see the list of features for each level.
You may evaluate Shadows Pro for a single, non-extensible period of 30 days, for free. Request your evaluation license from the Help menu. The evaluation license is created for you PC and will not work on another one.
You may update your version free of charge at any time and without time limitation, to the latest version, by downloading it from the Shadows Web site (www.shadowspro.com/download).
This agreement grants you a non-exclusive right to install and use Shadows on your own computer. Products created using Shadows can be transferred or sold without authorization of the author. This includes drawings, tables of results, real sundials you built using the program data, etc. You can use Shadows, Shadows Expert or Shadows Pro for your personal needs or in the context of a commercial activity.
You may transfer or distribute freely Shadows in its original form including the installation program, documentation files and all other files, except your personal license (Expert or Pro). It is strictly forbidden to sell Shadows without written permission of the author. If you had to pay for its use outside its Web site www.shadowspro.com, please contact the author as it may be a fraud. It is possible to include Shadows in a collection of programs distributed free of charge. However, requiring a fee specifically for Shadows is prohibited.
When using Shadows Expert or Shadows Pro, a license file is sent to you in order to unlock the advanced features of your level. This file is strictly personal and must not be transferred or sold to anybody else. Copying and distributing your license file to someone else is an infringement of copyright laws. The license must be associated to the user’s PC. A Shadows Expert license can be associated with only one PC. A Shadows Pro license can be associated to two of your own computers.
If you are planning to change your PC, you can remove the license association from the old PC and install and associate it to the new PC. This operation will not be counted in the number of authorized license replacements.
Shadows Expert and Shadows Pro licenses come with a two-year maintenance plan that will allow you to recover your license in case your PC is lost, stolen, damaged or replaced. It requires a manual operation from the author. During the two-year warranty period, the license can be replaced as many times as required. After this period, it is possible to extend the maintenance plan for two more years (check on the web site).
Users have to provide their name, address and E-mail address to order a license. This information is used exclusively for the purpose of management of users and licenses. No information is shared or sold. In case of problem with Shadows, you might be asked to provide the Trace file that is generated automatically by Shadows. This file contains information on the configuration and actions done by the user, to help solving the problem. This file will of course not be used for any other purpose than troubleshooting the problem. Trace files are kept on the user’s PC for 30 days and then are deleted.
Shadows is protected by copyright laws and international treaties on intellectual property. The distribution of Shadows, either the freeware or the shareware versions, does not imply any transfer of intellectual property to the user. Components accompanying Shadows shall not be used separately. This includes (but is not limited to) executable code, source code, images, pictures, texts, help files and other documentation, HTML or JavaScript code, icons which are all copyrighted by the author. Teachers and coordinators may use the software, its creations and its documentation for educational or leisure purposes, in a classroom or with a small group of persons. For any public use of the above material, the publication shall contain the following mention: “Shadows software, © François Blateyron, www.shadowspro.com” and in the case of publication on a web site, it shall contain a hyperlink to www.shadowspro.com.
You may contribute to the development of Shadows by sending translations of the user interface, the documentation or the web site pages. In this case, your name will be associated to the contributor list. You may also suggest new features, report bugs or any problem you may encounter. These contributions though do not allow you to claim any copyright or intellectual property on any part of Shadows, nor a free license.
You shall not modify, alter, decompile or reverse-engineer Shadows files or any part of the documentation. Components and files accompanying Shadows cannot be used separately. In particular, it is strictly forbidden to alter the program to display another name than the author's name; it is forbidden to use a resource modification tool to modify menus, texts, dialogs or any texts of the application.
If you detect a bug, you need to ensure that you are using the latest version; it may have been fixed in a more recent version. If it is confirmed with the latest version, please report it to the author and provide as many details as possible to help reproduce the problem. Also, send your Trace files (see in the “Shadows Data\Traces” folder). The fix will only be done in the latest version.
Shadows and its components are tested to the best ability of the author, on his development platform. Nevertheless, the author cannot offer any guaranty of good function on any platform or any context. You have the responsibility to ensure the correctness of the results before use. You shall verify that Shadows works correctly on your platform (hardware and software) and meets your expectations in terms of functionalities, prior to ordering a Shadows Expert or Shadows Pro license. No refund will be possible for any reason. All sales are definitive. Shadows is designed for Windows 10/11 with the latest update, and is normally compatible with Windows 8.x, Windows 7 and Windows Vista. Shadows is a 64-bit application that requires a 64-bit version of Windows. It is not compatible anymore with Windows XP or earlier versions, nor with 32-bit Windows versions. The program has been tested using a recent anti-virus program before its release on www.shadowspro.com web site. The author is not liable for versions provided by third-party sites, such as freeware/shareware catalogs.
Some users are able to run Shadows on Mac or Linux, but the author is not able to provide support on these platforms. You can test it by using the freeware version or with the evaluation license. No refund is possible after the purchase of a license. Shadows is a Windows x64 application that is not compatible with Windows ARM or Mac OS with Apple Silicon processors (M1, M2, M3).
Should you cease to use the program, you shall uninstall it from your computer. If you were using a Shadows Expert or Shadows Pro license, you must also remove the license association and delete your personal license file. In case of fraudulent use of the license, or of violation of the current license agreement by the user, the author reserves itself the right to remotely invalidate the license of the user.
If you are satisfied by Shadows, do not hesitate to promote it around you. Shadows is a unique piece of software that continues to evolve thanks to the support of its users.
Thank you for reading this document through to the end!
François Blateyron