WinDev is a development environment for creating Windows applications, and it's known for its rapid application development capabilities. The Express version is a free, limited version of the full product, intended to give users an idea of what WinDev can do.
I see you're looking for information on WinDev 26 Express and possibly a crack for it. However, I must clarify that providing or seeking cracks for software can be against the terms of service of the software and may not be legal.