diff --git a/win/setup/scanner/HanvonScan_App_Setup.iss b/win/setup/scanner/HanvonScan_App_Setup.iss
index d160884..ba1134f 100644
--- a/win/setup/scanner/HanvonScan_App_Setup.iss
+++ b/win/setup/scanner/HanvonScan_App_Setup.iss
@@ -126,6 +126,7 @@ Source: "..\..\x64\OEM\hanvon\sane.dll"; DestDir: "{app}\"; Flags: ignoreversion
 Source: "..\..\x64\OEM\hanvon\scanner.dll"; DestDir: "{app}\"; Flags: ignoreversion; Check: Is64BitInstallMode
 
 ; twain32
+Source: "..\..\..\..\code_app\doc\scanner\HanvonScan_scanSettings_Help_manual.pdf"; DestDir: "{win}\twain_32\HanvonTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\hwusbdev.key"; DestDir: "{win}\twain_32\HanvonTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\cnocr.dll"; DestDir: "{win}\twain_32\HanvonTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\doc_seg.dll"; DestDir: "{win}\twain_32\HanvonTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
diff --git a/win/setup/scanner/HuaGoScan_App_Setup.iss b/win/setup/scanner/HuaGoScan_App_Setup.iss
index 5cdde00..92b77e0 100644
--- a/win/setup/scanner/HuaGoScan_App_Setup.iss
+++ b/win/setup/scanner/HuaGoScan_App_Setup.iss
@@ -130,6 +130,7 @@ Source: "..\..\x64\OEM\huagao\sane.dll"; DestDir: "{app}\"; Flags: ignoreversion
 Source: "..\..\x64\OEM\huagao\scanner.dll"; DestDir: "{app}\"; Flags: ignoreversion; Check: Is64BitInstallMode
 
 ; twain32
+Source: "..\..\..\..\code_app\doc\scanner\HuaGoScan_scanSettings_Help_manual.pdf"; DestDir: "{win}\twain_32\HuaGoTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\hwusbdev.key"; DestDir: "{win}\twain_32\HuaGoTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\cnocr.dll"; DestDir: "{win}\twain_32\HuaGoTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\doc_seg.dll"; DestDir: "{win}\twain_32\HuaGoTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
diff --git a/win/setup/scanner/LanxumScan_App_Setup.iss b/win/setup/scanner/LanxumScan_App_Setup.iss
index 73e9f5b..691e4ac 100644
--- a/win/setup/scanner/LanxumScan_App_Setup.iss
+++ b/win/setup/scanner/LanxumScan_App_Setup.iss
@@ -95,6 +95,7 @@ Source: "..\..\x64\OEM\lanxum\sane.dll"; DestDir: "{app}\"; Flags: ignoreversion
 Source: "..\..\x64\OEM\lanxum\scanner.dll"; DestDir: "{app}\"; Flags: ignoreversion; Check: Is64BitInstallMode
 
 ; twain32
+Source: "..\..\..\..\code_app\doc\scanner\LanxumScan_scanSettings_Help_manual.pdf"; DestDir: "{win}\twain_32\LanxumTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\msvcp140.dll"; DestDir: "{win}\twain_32\LanxumTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\vcruntime140.dll"; DestDir: "{win}\twain_32\LanxumTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode
 Source: "..\..\x86\Release\concrt140.dll"; DestDir: "{win}\twain_32\LanxumTwain\x86\"; Flags: ignoreversion; Check: Is64BitInstallMode