You can download a demo version for
Windows NT4 / 2000 / XP (32 Bit) / Vista (32 Bit) / Windows7 (32 Bit) / Windows 10 / Windows 11
(actual file version: 4.2.8; actualized at 12/27/2010; 4,5 MBytes) for free.
This version contains the solar module and the help file.
This demo version should help you to see which input data are used, and to understand how the program works. Naturally you will see the possibilities of WP-OPT© and which results are calculated and how they are presented. Of course this demo version cannot (and should not) replace the full version. Demo version is limited in many aspects.
After downloading you’ll find the file wposetupen.exe in your download folder.
Open this file to start the installation program which will guide you through the installation process. If it is necessary to restart the computer at the end of the installation, please do so before starting WP-OPT demo version for the first time.
After successfull installation you’ll find a shortcut on your desktop “WP-OPT (demo version)”. By double-clicking on this shortcut you can start the demo version (or by selecting the menu item in the start folder “start / programs / WP-OPT (demo version)”).