diff --git a/env.bat.template b/env.bat.template
index 6a3b746950..cdcb2563f8 100644
--- a/env.bat.template
+++ b/env.bat.template
@@ -5,11 +5,11 @@ set RIME_ROOT=%CD%
 rem REQUIRED: path to Boost source directory
 if not defined BOOST_ROOT set BOOST_ROOT=%RIME_ROOT%\deps\boost_1_78_0
 
-rem OPTIONAL: architecture, Visual Studio version and platform toolset
-rem set ARCH=Win32
-rem set BJAM_TOOLSET=msvc-14.2
-rem set CMAKE_GENERATOR="Visual Studio 16 2019"
-rem set PLATFORM_TOOLSET=v142
+rem architecture, Visual Studio version and platform toolset
+set ARCH=Win32
+set BJAM_TOOLSET=msvc-14.2
+set CMAKE_GENERATOR="Visual Studio 16 2019"
+set PLATFORM_TOOLSET=v142
 
 rem OPTIONAL: path to additional build tools
 rem set DEVTOOLS_PATH=%ProgramFiles%\Git\cmd;%ProgramFiles%\CMake\bin;C:\Python27;
diff --git a/env.vs2017_xp.bat b/env.vs2017_xp.bat
index 8220cdcac4..bcf4a1e3f5 100644
--- a/env.vs2017_xp.bat
+++ b/env.vs2017_xp.bat
@@ -5,7 +5,7 @@ set RIME_ROOT=%CD%
 rem REQUIRED: path to Boost source directory
 if not defined BOOST_ROOT set BOOST_ROOT=%RIME_ROOT%\deps\boost_1_69_0
 
-rem OPTIONAL: architecture, Visual Studio version and platform toolset
+rem architecture, Visual Studio version and platform toolset
 set ARCH=Win32
 set BJAM_TOOLSET=msvc-14.1
 set CMAKE_GENERATOR="Visual Studio 15 2017"
diff --git a/env.vs2019.bat b/env.vs2019.bat
index 370054f66f..cdcb2563f8 100644
--- a/env.vs2019.bat
+++ b/env.vs2019.bat
@@ -5,7 +5,7 @@ set RIME_ROOT=%CD%
 rem REQUIRED: path to Boost source directory
 if not defined BOOST_ROOT set BOOST_ROOT=%RIME_ROOT%\deps\boost_1_78_0
 
-rem OPTIONAL: architecture, Visual Studio version and platform toolset
+rem architecture, Visual Studio version and platform toolset
 set ARCH=Win32
 set BJAM_TOOLSET=msvc-14.2
 set CMAKE_GENERATOR="Visual Studio 16 2019"
diff --git a/env.vs2022.bat b/env.vs2022.bat
index 82d6e5cf98..6f9d7c70ea 100644
--- a/env.vs2022.bat
+++ b/env.vs2022.bat
@@ -5,7 +5,7 @@ set RIME_ROOT=%CD%
 rem REQUIRED: path to Boost source directory
 if not defined BOOST_ROOT set BOOST_ROOT=%RIME_ROOT%\deps\boost_1_78_0
 
-rem OPTIONAL: architecture, Visual Studio version and platform toolset
+rem architecture, Visual Studio version and platform toolset
 set ARCH=Win32
 set BJAM_TOOLSET=msvc-14.3
 set CMAKE_GENERATOR="Visual Studio 17 2022"