-On Windows, Cygwin (http://www.cygwin.com/) is required in order to build
-fio. To create an MSI installer package install WiX 3.8 from
-http://wixtoolset.org and run :file:`dobuild.cmd` from the :file:`os/windows`
+The minimum versions of Windows for building/runing fio are Windows 7/Windows
+Server 2008 R2. On Windows, Cygwin (https://www.cygwin.com/) is required in
+order to build fio. To create an MSI installer package install WiX from
+https://wixtoolset.org and run :file:`dobuild.cmd` from the :file:`os/windows`