Update supported Windows, MATLAB and Octave versions for 6.x

_includes/download-stable.html

@@ -23,9 +23,9 @@
 
   <section class="dynare_section" id="stable_windows_content">
     <p>
-      Compatible with Windows (8.1, 10, 11), MATLAB (R2014a–R2023b) and
+      Compatible with Windows (10 and 11), MATLAB (R2018b–R2023b) and
       GNU Octave
-      (<a href="https://ftp.gnu.org/gnu/octave/windows/octave-8.3.0-w64-installer.exe">8.3.0</a>
+      (<a href="https://ftp.gnu.org/gnu/octave/windows/octave-8.4.0-w64-installer.exe">8.4.0</a>
       only), 64-bit
     </p>
     <p>Available as an executable installer, and as 7z and zip archives.</p>
@@ -45,8 +45,8 @@
 
   <section class="dynare_section" id="stable_macos_content">
     <p>
-      Compatible with macOS 14 “Sonoma” with MATLAB on Intel Macs (R2014a–R2023b) 
-      and MATLAB on Apple silicon Macs (R2023b). 
+      Compatible with macOS 14 “Sonoma” with MATLAB on Intel Macs (R2018b–R2023b)
+      and MATLAB on Apple Silicon Macs (R2023b).
       <b>NB</b>: This package is unsigned; to run it,
       you need to right click on it and select “Open” from the menu that pops
       up. If you want to use Dynare with Octave, do not download this package,