diff --git a/appveyor.yml b/appveyor.yml
index 1b87286f6..3b4b3144e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -32,6 +32,7 @@ install:
   - if "%APPVEYOR_BUILD_WORKER_IMAGE%"=="Visual Studio 2017" set CMAKE_GENERATOR_NAME=Visual Studio 15 2017
   - if "%platform%"=="x64" set CMAKE_GENERATOR_NAME=%CMAKE_GENERATOR_NAME% Win64
   - cmake %CMAKE_DEFINES% -G "%CMAKE_GENERATOR_NAME%"
+  - if "%APPVEYOR_BUILD_WORKER_IMAGE%"=="Visual Studio 2017" iscc packaging\windows-innosetup\script.iss
   
 cache:
   - code\assimp.dir\%CONFIGURATION%
diff --git a/packaging/windows-innosetup/script.iss b/packaging/windows-innosetup/script.iss
index f301bc4eb..8056e31ac 100644
--- a/packaging/windows-innosetup/script.iss
+++ b/packaging/windows-innosetup/script.iss
@@ -2,7 +2,7 @@
 
 [Setup]
 AppName=Open Asset Import Library - SDK
-AppVerName=Open Asset Import Library - SDK (v3.3.1)
+AppVerName=Open Asset Import Library - SDK (v4.1.0)
 DefaultDirName={pf}\Assimp
 DefaultGroupName=Assimp
 UninstallDisplayIcon={app}\bin\x86\assimp.exe
@@ -12,9 +12,9 @@ SetupIconFile=..\..\tools\shared\assimp_tools_icon.ico
 WizardImageFile=compiler:WizModernImage-IS.BMP
 WizardSmallImageFile=compiler:WizModernSmallImage-IS.BMP
 LicenseFile=License.rtf
-OutputBaseFileName=assimp-sdk-3.3.1-setup
-VersionInfoVersion=3.3.1.0
-VersionInfoTextVersion=3.3.1
+OutputBaseFileName=assimp-sdk-4.1.0-setup
+VersionInfoVersion=4.1.0.0
+VersionInfoTextVersion=4.1.0
 VersionInfoCompany=Assimp Development Team
 ArchitecturesInstallIn64BitMode=x64
 
@@ -35,15 +35,15 @@ Name: "dassimp";     Description: "D Bindings"; Types: full
 Name: "assimp_net";  Description: "C#/.NET Bindings"; Types: full
 
 [Run]
-Filename: "{app}\stub\vc_redist.x86.exe"; Parameters: "/qb"; StatusMsg: "Installing VS2015 redistributable package (32 Bit)"; Check: not IsWin64
-Filename: "{app}\stub\vc_redist.x64.exe"; Parameters: "/qb"; StatusMsg: "Installing VS2015 redistributable package (64 Bit)"; Check: IsWin64
+;Filename: "{app}\stub\vc_redist.x86.exe"; Parameters: "/qb"; StatusMsg: "Installing VS2017 redistributable package (32 Bit)"; Check: not IsWin64
+Filename: "{app}\stub\vc_redist.x64.exe"; Parameters: "/qb"; StatusMsg: "Installing VS2017 redistributable package (64 Bit)"; Check: IsWin64
 
 [Files]
 
 Source: "readme_installer.txt"; DestDir: "{app}"; Flags: isreadme
 
 ; Installer stub
-Source: "vc_redist.x86.exe"; DestDir: "{app}\stub\"; Check: not IsWin64
+;Source: "vc_redist.x86.exe"; DestDir: "{app}\stub\"; Check: not IsWin64
 Source: "vc_redist.x64.exe"; DestDir: "{app}\stub\"; Check: IsWin64
 
 ; Common stuff
@@ -55,18 +55,18 @@ Source: "WEB"; DestDir: "{app}"
 Source: "..\..\scripts\*"; DestDir: "{app}\scripts"; Flags: recursesubdirs
 
 ; x86 binaries
-Source: "..\..\bin\release\x86\assimp-vc140-mt.dll";  DestDir: "{app}\bin\x86"
-Source: "..\..\bin\release\x86\assimp_viewer.exe";      DestDir: "{app}\bin\x86"; Components: tools
-Source: "D3DCompiler_42.dll";                         DestDir: "{app}\bin\x86"; Components: tools
-Source: "D3DX9_42.dll";                               DestDir: "{app}\bin\x86"; Components: tools
-Source: "..\..\bin\release\x86\assimp.exe";           DestDir: "{app}\bin\x86"; Components: tools
+;Source: "..\..\bin\release\x86\assimp-vc140-mt.dll";  DestDir: "{app}\bin\x86"
+;Source: "..\..\bin\release\x86\assimp_viewer.exe";      DestDir: "{app}\bin\x86"; Components: tools
+;Source: "D3DCompiler_42.dll";                         DestDir: "{app}\bin\x86"; Components: tools
+;Source: "D3DX9_42.dll";                               DestDir: "{app}\bin\x86"; Components: tools
+;Source: "..\..\bin\release\x86\assimp.exe";           DestDir: "{app}\bin\x86"; Components: tools
 
 ; x64 binaries
-Source: "..\..\bin\release\x64\assimp-vc140-mt.dll";  DestDir: "{app}\bin\x64"
-Source: "..\..\bin\release\x64\assimp_viewer.exe";      DestDir: "{app}\bin\x64"; Components: tools
-Source: "D3DCompiler_42_x64.dll";                     DestDir: "{app}\bin\x64"; DestName: "D3DCompiler_42.dll"; Components: tools
-Source: "D3DX9_42_x64.dll";                           DestDir: "{app}\bin\x64"; DestName: "D3DX9_42.dll"; Components: tools
-Source: "..\..\bin\release\x64\assimp.exe";           DestDir: "{app}\bin\x64"; Components: tools
+Source: "..\..\bin\release\assimp-vc140-mt.dll";  DestDir: "{app}\bin\x64"
+Source: "..\..\bin\release\assimp_viewer.exe";      DestDir: "{app}\bin\x64"; Components: tools
+Source: "D3DCompiler_42.dll";                     DestDir: "{app}\bin\x64"; DestName: "D3DCompiler_42.dll"; Components: tools
+Source: "D3DX9_42.dll";                           DestDir: "{app}\bin\x64"; DestName: "D3DX9_42.dll"; Components: tools
+Source: "..\..\bin\release\assimp.exe";           DestDir: "{app}\bin\x64"; Components: tools
 
 ; Documentation
 Source: "..\..\doc\AssimpDoc_Html\AssimpDoc.chm"; DestDir: "{app}\doc"; Components: help
@@ -74,8 +74,8 @@ Source: "..\..\doc\AssimpCmdDoc_Html\AssimpCmdDoc.chm"; DestDir: "{app}\doc"; Co
 Source: "..\..\doc\datastructure.xml"; DestDir: "{app}\doc"; Components: help
 
 ; Import libraries
-Source: "..\..\lib\release\x86\assimp.lib"; DestDir: "{app}\lib\x86"
-Source: "..\..\lib\release\x64\assimp.lib"; DestDir: "{app}\lib\x64"
+;Source: "..\..\lib\release\x86\assimp.lib"; DestDir: "{app}\lib\x86"
+Source: "..\..\lib\release\assimp-vc140-mt.lib"; DestDir: "{app}\lib\x64"
 
 ; Samples
 Source: "..\..\samples\*"; DestDir: "{app}\samples"; Flags: recursesubdirs; Components: samples
diff --git a/tools/make/build_env_win32.bat b/tools/make/build_env_win32.bat
index cef217b70..4b8b4674b 100644
--- a/tools/make/build_env_win32.bat
+++ b/tools/make/build_env_win32.bat
@@ -1,5 +1,4 @@
 @echo off
-
 set "initialdir=%cd%"
 goto:main