McStas 2.4 prerelease for use @ ISIS/STFC workshop April 2017 Installation package for Windows 7 and later 1) Please download and install http://downloads.mcstas.org/mcstas-2.3/windows/INSTALL_FIRST_strawberry-perl-5.18.2.1-32bit.msi 2) Please download and install the prerelease .exe, better as administrator (Right-click) (Please have patience with the various terminal windows, can take quite a while) 3) For ease of use, make a desktop link to your c:\mcstas-2.4pre01\bin\mcgui.bat (Will give you the default Python gui, mcgui.pl is also available for the Perl gui)