If you still think that operating systems are tied to hardware, you need to update your thinking; nowadays there are lots of options that let you run one operating system within another or in parallel ...
You would need to purchase a Windows license from TrollTech because the Qt/Windows Free Edition only supports MSVC++. The KDE on Cygwin project has gotten Qt/X11 Free Edition to build in Windows usign ...
I recently found myself working at a company that uses Windows as the desktop environment. I was used to Linux, however, and wanted to have that on my desktop instead. Should you find yourself, for ...
If speed isn't an issue you could try Cygwin which comes with gcc which includes a fortran compiler. I mention speed because IMO apps running under cygwin are noticably slower than 'native' ones. And ...