I just tried running Leksah on a Windows 10 machine, but got the following error message:
C:\Program Files (x86)\Leksah\lib\gtk-2.0\modules>leksah.exe
Now updating metadata ...
ide: internal IDE error: exception :: GHC.Exception.SomeException
C:\Program Files (x86)\Leksah\lib\gtk-2.0\modules>pause
Press any key to continue . . .