diff --git a/development/Win32/packaging/AltInstaller/Updated.nsh b/development/Win32/packaging/AltInstaller/Updated.nsh
index bd1e74b0f0..b1398fd529 100644
--- a/development/Win32/packaging/AltInstaller/Updated.nsh
+++ b/development/Win32/packaging/AltInstaller/Updated.nsh
@@ -10,17 +10,18 @@ Function UpdateModifiedFiles
  File "${PRODUCT_SOURCEDIR}\Resources\external_templates"
  #File "${PRODUCT_SOURCEDIR}\Resources\unicodesymbols"
  SetOutPath "$INSTDIR\Resources\doc"
- #File "${PRODUCT_SOURCEDIR}\Resources\doc\Customization.lyx"
+ File "${PRODUCT_SOURCEDIR}\Resources\doc\Customization.lyx"
  File "${PRODUCT_SOURCEDIR}\Resources\doc\EmbeddedObjects.lyx"
- #File "${PRODUCT_SOURCEDIR}\Resources\doc\Math.lyx"
+ File "${PRODUCT_SOURCEDIR}\Resources\doc\Math.lyx"
  File "${PRODUCT_SOURCEDIR}\Resources\doc\UserGuide.lyx"
  #SetOutPath "$INSTDIR\Resources\doc\de"
  File "${PRODUCT_SOURCEDIR}\Resources\doc\de\EmbeddedObjects.lyx"
- #File "${PRODUCT_SOURCEDIR}\Resources\doc\de\Math.lyx"
+ File "${PRODUCT_SOURCEDIR}\Resources\doc\de\Math.lyx"
  #File "${PRODUCT_SOURCEDIR}\Resources\doc\de\UserGuide.lyx"
  SetOutPath "$INSTDIR\Resources\doc\es"
+ File "${PRODUCT_SOURCEDIR}\Resources\doc\es\Customization.lyx"
  File "${PRODUCT_SOURCEDIR}\Resources\doc\es\EmbeddedObjects.lyx"
- #File "${PRODUCT_SOURCEDIR}\Resources\doc\es\Math.lyx"
+ File "${PRODUCT_SOURCEDIR}\Resources\doc\es\Math.lyx"
  File "${PRODUCT_SOURCEDIR}\Resources\doc\es\UserGuide.lyx"
  SetOutPath "$INSTDIR\Resources\doc\fr"
  File "${PRODUCT_SOURCEDIR}\Resources\doc\fr\EmbeddedObjects.lyx"
@@ -31,6 +32,7 @@ Function UpdateModifiedFiles
  SetOutPath "$INSTDIR\Resources\layouts"
  File "${PRODUCT_SOURCEDIR}\Resources\layouts\hanging.module"
  File "${PRODUCT_SOURCEDIR}\Resources\layouts\minimalistic.module"
+ File "${PRODUCT_SOURCEDIR}\Resources\layouts\siamltex.layout"
  File "${PRODUCT_SOURCEDIR}\Resources\layouts\stdinsets.inc"
  SetOutPath "$INSTDIR\Resources\lyx2lyx" # always here
  File "${PRODUCT_SOURCEDIR}\Resources\lyx2lyx\lyx2lyx_version.py" # always here