diff --git a/Demos/Common/Utils.nsh b/Demos/Common/Utils.nsh
index 6b571c9..1dbf8c6 100644
--- a/Demos/Common/Utils.nsh
+++ b/Demos/Common/Utils.nsh
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\Common\Utils.nsh
+Version: 2019-05-06
+
+*/
+
 !include LogicLib.nsh
 !include x64.nsh
 
diff --git a/Demos/MUI2_Limited/Setup.nsi b/Demos/MUI2_Limited/Setup.nsi
index 4002861..b9ce7e0 100644
--- a/Demos/MUI2_Limited/Setup.nsi
+++ b/Demos/MUI2_Limited/Setup.nsi
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\MUI2_Limited\Setup.nsi
+Version: 2019-07-24
+
+*/
+
 !addplugindir /x86-ansi ".\..\..\Plugins\x86-ansi"
 !addplugindir /x86-unicode ".\..\..\Plugins\x86-unicode"
 !addincludedir ".\..\..\Include"
diff --git a/Demos/MUI2_Limited/Uninstall.nsh b/Demos/MUI2_Limited/Uninstall.nsh
index 1056bd5..a06e6cb 100644
--- a/Demos/MUI2_Limited/Uninstall.nsh
+++ b/Demos/MUI2_Limited/Uninstall.nsh
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\MUI2_Limited\Uninstall.nsh
+Version: 2019-07-24
+
+*/
+
 !include un.Utils.nsh
 
 ; Variables
diff --git a/Demos/MUI_1_2_Full/Setup.nsi b/Demos/MUI_1_2_Full/Setup.nsi
index 1f572ce..aa1ef4b 100755
--- a/Demos/MUI_1_2_Full/Setup.nsi
+++ b/Demos/MUI_1_2_Full/Setup.nsi
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\MUI_1_2_Full\Setup.nsi
+Version: 2019-07-24
+
+*/
+
 !addplugindir /x86-ansi ".\..\..\Plugins\x86-ansi"
 !addplugindir /x86-unicode ".\..\..\Plugins\x86-unicode"
 !addincludedir ".\..\..\Include"
diff --git a/Demos/MUI_1_2_Full/Uninstall.nsh b/Demos/MUI_1_2_Full/Uninstall.nsh
index 7ee4b0a..b3ce053 100755
--- a/Demos/MUI_1_2_Full/Uninstall.nsh
+++ b/Demos/MUI_1_2_Full/Uninstall.nsh
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\MUI_1_2_Full\Uninstall.nsh
+Version: 2019-07-24
+
+*/
+
 !include un.Utils.nsh
 
 ; Variables
diff --git a/Demos/NSIS_Full/Setup.nsi b/Demos/NSIS_Full/Setup.nsi
index 03bacea..1f97302 100755
--- a/Demos/NSIS_Full/Setup.nsi
+++ b/Demos/NSIS_Full/Setup.nsi
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\NSIS_Full\Setup.nsi
+Version: 2019-07-24
+
+*/
+
 !addplugindir /x86-ansi ".\..\..\Plugins\x86-ansi"
 !addplugindir /x86-unicode ".\..\..\Plugins\x86-unicode"
 !addincludedir ".\..\..\Include"
diff --git a/Demos/NSIS_Full/Uninstall.nsh b/Demos/NSIS_Full/Uninstall.nsh
index 8d96ee3..5f684be 100755
--- a/Demos/NSIS_Full/Uninstall.nsh
+++ b/Demos/NSIS_Full/Uninstall.nsh
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\NSIS_Full\Uninstall.nsh
+Version: 2019-07-24
+
+*/
+
 !include un.Utils.nsh
 
 ; Variables
diff --git a/Demos/UMUI_Ex_Full/Setup.nsi b/Demos/UMUI_Ex_Full/Setup.nsi
index 376f93f..871d75b 100755
--- a/Demos/UMUI_Ex_Full/Setup.nsi
+++ b/Demos/UMUI_Ex_Full/Setup.nsi
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\UMUI_Ex_Full\Setup.nsi
+Version: 2019-07-24
+
+*/
+
 !addplugindir /x86-ansi ".\..\..\Plugins\x86-ansi"
 !addplugindir /x86-unicode ".\..\..\Plugins\x86-unicode"
 !addincludedir ".\..\..\Include"
diff --git a/Demos/UMUI_Ex_Full/Uninstall.nsh b/Demos/UMUI_Ex_Full/Uninstall.nsh
index 78847f0..bdc1328 100755
--- a/Demos/UMUI_Ex_Full/Uninstall.nsh
+++ b/Demos/UMUI_Ex_Full/Uninstall.nsh
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Demos\UMUI_Ex_Full\Uninstall.nsh
+Version: 2019-07-24
+
+*/
+
 !include un.Utils.nsh
 
 ; Variables
diff --git a/Include/NsisMultiUser.nsh b/Include/NsisMultiUser.nsh
index 8b1aab4..3daaa50 100755
--- a/Include/NsisMultiUser.nsh
+++ b/Include/NsisMultiUser.nsh
@@ -4,7 +4,10 @@ NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "
 
 Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
 
-Copyright 2016-2018 Ricardo Drizin, Alex Mitev
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Include\NsisMultiUser.nsh
+Version: 2019-07-11
 
 */
 
diff --git a/Include/NsisMultiUserLang.nsh b/Include/NsisMultiUserLang.nsh
index dab602e..3e55475 100755
--- a/Include/NsisMultiUserLang.nsh
+++ b/Include/NsisMultiUserLang.nsh
@@ -1,3 +1,16 @@
+/*
+
+NsisMultiUser.nsh - NSIS plugin that allows "per-user" (no admin required) and "per-machine" (asks elevation *only when necessary*) installations
+
+Full source code, documentation and demos at https://github.com/Drizin/NsisMultiUser/
+
+Copyright 2016-2019 Ricardo Drizin, Alex Mitev
+
+File   : Include\NsisMultiUserLang.nsh
+Version: 2019-07-11
+
+*/
+
 !ifdef LANG_ENGLISH
 	LangString MULTIUSER_PAGE_TITLE ${LANG_ENGLISH} "Choose Users"
 	LangString MULTIUSER_INSTALL_PAGE_SUBTITLE ${LANG_ENGLISH} "Choose for which users to install $(^NameDA)."