ميسم شهاب ,To download the Scaps-1A (Scaps-1D) program, visit the official website on https://scaps.elis.ugent.be. The program is freely available to universities, research institutes and solar cell research community, but you need to send a request to Mark Bergelman via email, including your full name, institute and your supervisor details. Once approved, you will receive an executable download link from the developer directly to the latest version. The process is documented in tutorial and instrumental video, which confirm that users usually achieve access within a few days. Scaps-1D is considered a user friendly for scientific software, but beginners may need some time to understand the device modeling concepts. For step-by-step instructional guides and example files, see online resources, manual and YouTube tutorials to reduce your learning state.