Help: Clarify instructions for using older VS toolsets with newer VS versions

Clarify that the newer version of VS must also be installed to use its
corresponding CMake generator.

Issue: #26446

4 files changed, 14 insertions, 11 deletions

diff --git a/Help/generator/Visual Studio 10 2010.rst b/Help/generator/Visual Studio 10 2010.rst
index a36046a..8b7e31d 100644
--- a/Help/generator/Visual Studio 10 2010.rst
+++ b/Help/generator/Visual Studio 10 2010.rst
@@ -3,6 +3,7 @@ Visual Studio 10 2010
 
 Removed.  This once generated Visual Studio 10 2010 project files, but
 the generator has been removed since CMake 3.25.  It is still possible
-to build with VS 10 2010 tools using the :generator:`Visual Studio 14 2015`
-(or above) generator with :variable:`CMAKE_GENERATOR_TOOLSET` set to
-``v100``, or by using the :generator:`NMake Makefiles` generator.
+to build with the VS 10 2010 toolset by also installing VS 2015 (or above)
+and using the :generator:`Visual Studio 14 2015` (or above) generator with
+:variable:`CMAKE_GENERATOR_TOOLSET` set to ``v100``,
+or by using the :generator:`NMake Makefiles` generator.
diff --git a/Help/generator/Visual Studio 11 2012.rst b/Help/generator/Visual Studio 11 2012.rst
index 5ded24c..99048bd 100644
--- a/Help/generator/Visual Studio 11 2012.rst
+++ b/Help/generator/Visual Studio 11 2012.rst
@@ -3,6 +3,7 @@ Visual Studio 11 2012
 
 Removed.  This once generated Visual Studio 11 2012 project files, but
 the generator has been removed since CMake 3.28.  It is still possible
-to build with VS 11 2012 tools using the :generator:`Visual Studio 14 2015`
-(or above) generator with :variable:`CMAKE_GENERATOR_TOOLSET` set to ``v110``,
+to build with the VS 11 2012 toolset by also installing VS 2015 (or above)
+and using the :generator:`Visual Studio 14 2015` (or above) generator with
+:variable:`CMAKE_GENERATOR_TOOLSET` set to ``v110``,
 or by using the :generator:`NMake Makefiles` generator.
diff --git a/Help/generator/Visual Studio 12 2013.rst b/Help/generator/Visual Studio 12 2013.rst
index 8d3b2c8..6589072 100644
--- a/Help/generator/Visual Studio 12 2013.rst
+++ b/Help/generator/Visual Studio 12 2013.rst
@@ -3,6 +3,7 @@ Visual Studio 12 2013
 
 Removed.  This once generated Visual Studio 12 2013 project files, but
 the generator has been removed since CMake 3.31.  It is still possible
-to build with VS 12 2013 tools using the :generator:`Visual Studio 14 2015`
-(or above) generator with :variable:`CMAKE_GENERATOR_TOOLSET` set to ``v120``,
+to build with the VS 12 2013 toolset by also installing VS 2015 (or above)
+and using the :generator:`Visual Studio 14 2015` (or above) generator with
+:variable:`CMAKE_GENERATOR_TOOLSET` set to ``v120``,
 or by using the :generator:`NMake Makefiles` generator.
diff --git a/Help/generator/Visual Studio 9 2008.rst b/Help/generator/Visual Studio 9 2008.rst
index 01d5af2..a5d953a 100644
--- a/Help/generator/Visual Studio 9 2008.rst
+++ b/Help/generator/Visual Studio 9 2008.rst
@@ -3,7 +3,7 @@ Visual Studio 9 2008
 
 Removed.  This once generated Visual Studio 9 2008 project files, but
 the generator has been removed since CMake 3.30.  It is still possible
-to build with VS 9 2008 tools using the :generator:`Visual Studio 14 2015`
-generator (or above, and with VS 10 2010 also installed) with
-:variable:`CMAKE_GENERATOR_TOOLSET` set to ``v90``, or by using
-the :generator:`NMake Makefiles` generator.
+to build with the VS 9 2008 toolset by also installing VS 10 2010 and
+VS 2015 (or above) and using the :generator:`Visual Studio 14 2015`
+generator (or above) with :variable:`CMAKE_GENERATOR_TOOLSET` set to ``v90``,
+or by using the :generator:`NMake Makefiles` generator.