# HG changeset patch
# User Patric Stout <truebrain@openttd.org>
# Date 2023-12-02 22:12:50
# Node ID dc3223583ab4f9b34271f8fec908bc192b189140
# Parent  cf6a2f44958cc65787dde66968915f6fc8ee6ea9

Remove: officially mark Vista as no longer supported (#11531)

It is very likely Vista hasn't been working for years, but the
amount of users that use an OS that has been EoL for over 11 years
is very small, so reports happen rarely.

diff --git a/docs/directory_structure.md b/docs/directory_structure.md
--- a/docs/directory_structure.md
+++ b/docs/directory_structure.md
@@ -19,14 +19,14 @@ 2. Your personal directory
     - Windows:
         - `C:\My Documents\OpenTTD` (95, 98, ME)
         - `C:\Documents and Settings\<username>\My Documents\OpenTTD` (2000, XP)
-        - `C:\Users\<username>\Documents\OpenTTD` (Vista, 7, 8.1, 10, 11)
+        - `C:\Users\<username>\Documents\OpenTTD` (7, 8.1, 10, 11)
     - macOS: `~/Documents/OpenTTD`
     - Linux: `$XDG_DATA_HOME/openttd` which is usually `~/.local/share/openttd`
        when built with XDG base directory support, otherwise `~/.openttd`
 3. The shared directory
     - Windows:
         - `C:\Documents and Settings\All Users\Shared Documents\OpenTTD` (2000, XP)
-        - `C:\Users\Public\Documents\OpenTTD` (Vista, 7, 8.1, 10, 11)
+        - `C:\Users\Public\Documents\OpenTTD` (7, 8.1, 10, 11)
     - macOS: `/Library/Application Support/OpenTTD`
     - Linux: not available
 4. The binary directory (where the OpenTTD executable is)
diff --git a/os/windows/openttd.manifest b/os/windows/openttd.manifest
--- a/os/windows/openttd.manifest
+++ b/os/windows/openttd.manifest
@@ -15,8 +15,6 @@
   </application>
   <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
     <application>
-      <!--This Id value indicates the application supports Windows Vista functionality -->
-      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/>
       <!--This Id value indicates the application supports Windows 7 functionality-->
       <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
       <!--This Id value indicates the application supports Windows 8 functionality-->
diff --git a/src/sound/win32_s.cpp b/src/sound/win32_s.cpp
--- a/src/sound/win32_s.cpp
+++ b/src/sound/win32_s.cpp
@@ -70,7 +70,7 @@ const char *SoundDriver_Win32::Start(con
 	wfex.nAvgBytesPerSec = wfex.nSamplesPerSec * wfex.nBlockAlign;
 
 	/* Limit buffer size to prevent overflows. */
-	_bufsize = GetDriverParamInt(parm, "bufsize", IsWindowsVistaOrGreater() ? 8192 : 4096);
+	_bufsize = GetDriverParamInt(parm, "bufsize", 8192);
 	_bufsize = std::min<int>(_bufsize, UINT16_MAX);
 
 	try {
diff --git a/src/video/win32_v.cpp b/src/video/win32_v.cpp
--- a/src/video/win32_v.cpp
+++ b/src/video/win32_v.cpp
@@ -1258,7 +1258,7 @@ static const char *SelectPixelFormat(HDC
 		0, 0, 0, 0                     // Ignored/reserved.
 	};
 
-	if (IsWindowsVistaOrGreater()) pfd.dwFlags |= PFD_SUPPORT_COMPOSITION; // Make OpenTTD compatible with Aero.
+	pfd.dwFlags |= PFD_SUPPORT_COMPOSITION; // Make OpenTTD compatible with Aero.
 
 	/* Choose a suitable pixel format. */
 	int format = ChoosePixelFormat(dc, &pfd);