Merge pull request #1094 from mretegan/fix-doc-windows

Update documentaion for Windows stand-alone app

doc/source/install.rst

@@ -10,7 +10,10 @@ make use of different features of *PyMca* in your own Python programs.
 Stand-alone Executable
 ----------------------
 
-Stand-alone applications (aka. frozen binaries) are supplied for Windows and MacOS. They do not require any additional dependency and can be downloaded from `here <https://sourceforge.net/projects/pymca/files/pymca/>`_. Just download the installer for your platform.
+Stand-alone applications (aka. frozen binaries) are supplied for Windows and MacOS and can be downloaded from `here <https://sourceforge.net/projects/pymca/files/pymca/>`_. Just download the installer for your platform.
+
+On Windows, the Microsoft Visual C++ Redistributable needs to be installed for using the PyMca frozen binary. It is likely that you already have it installed, but in case the application crashes at startup, please make sure it is installed.
+The installer can be downloaded from the `Microsoft website <https://learn.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist>`_. There are no additional dependencies on macOS.
 
 
 Python module