You need Microsoft .NET Framework 4 installed in your PC (not present if your operating system is old). Click here for download .NET Framework 4.
ISIS is a copyrighted freeware. ISIS is free of all rights for a non commercial usage and distribution. The software, the demonstration images and related documentation are exclusively properties of the author.
Copyright (C) 2021 Christian Buil
Web : www.astrosurf.com/buil