diff --git a/README.md b/README.md
index 4f40634..ca35978 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,19 @@
 # NSIS Installer for PolyMC instances
 
-*Warning*
+## Prerequisites
+
+### Warning
 
 - Only for PolyMC Minecraft installation!
 - There are destructive operations into PolyMC data folders!
 - Overrides instances defined in PolyMC!
 
-*Notice*
+### Notice
 
 - Using NSIS installer for packaging
 - Using CMD for batch installation _(trapped into NSIS)_
 
-*Fonctionnalities*
+### Functionnalities
 
 - Ask for previous installation _(can be bypassed or uninstalled silently)_
 - Create uninstaller
@@ -19,6 +21,12 @@
 
 ## Changelog
 
+### 2024-04-15
+
+- Moved content to external 7zip file _(with download & extract during install process)_
+- Fixes in registry keys
+- Minor fixes in logic
+
 ### 2024-04-14
 
 - Initial release
diff --git a/files/PolyMC/instances/common/mods/AmbientSounds_FABRIC_v5.3.5_mc1.20.4.jar b/files/PolyMC/instances/common/mods/AmbientSounds_FABRIC_v5.3.5_mc1.20.4.jar
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index 0000000..f1c82a5
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diff --git a/files/PolyMC/instances/common/mods/BetterF3-9.0.2-Fabric-1.20.4.jar b/files/PolyMC/instances/common/mods/BetterF3-9.0.2-Fabric-1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/ChatNotify-Fabric-1.20.4-1.2.0.jar b/files/PolyMC/instances/common/mods/ChatNotify-Fabric-1.20.4-1.2.0.jar
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diff --git a/files/PolyMC/instances/common/mods/CreativeCore_FABRIC_v2.11.16_mc1.20.4.jar b/files/PolyMC/instances/common/mods/CreativeCore_FABRIC_v2.11.16_mc1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/DynamicSoundFilters-1.4.0+1.20.4.jar b/files/PolyMC/instances/common/mods/DynamicSoundFilters-1.4.0+1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/ExplorersCompass-1.20.4-2.2.3-fabric.jar b/files/PolyMC/instances/common/mods/ExplorersCompass-1.20.4-2.2.3-fabric.jar
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diff --git a/files/PolyMC/instances/common/mods/ImmediatelyFast-Fabric-1.2.11+1.20.4.jar b/files/PolyMC/instances/common/mods/ImmediatelyFast-Fabric-1.2.11+1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/Jade-1.20.4-fabric-13.3.1.jar b/files/PolyMC/instances/common/mods/Jade-1.20.4-fabric-13.3.1.jar
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diff --git a/files/PolyMC/instances/common/mods/NaturesCompass-1.20.4-2.2.3-fabric.jar b/files/PolyMC/instances/common/mods/NaturesCompass-1.20.4-2.2.3-fabric.jar
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diff --git a/files/PolyMC/instances/common/mods/PresenceFootsteps-1.11.3.jar b/files/PolyMC/instances/common/mods/PresenceFootsteps-1.11.3.jar
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diff --git a/files/PolyMC/instances/common/mods/RailOptimization1.1-1.20.4.jar b/files/PolyMC/instances/common/mods/RailOptimization1.1-1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/WorldEditCUI-1.20.3+01.jar b/files/PolyMC/instances/common/mods/WorldEditCUI-1.20.3+01.jar
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diff --git a/files/PolyMC/instances/common/mods/balm-fabric-1.20.4-9.0.6.jar b/files/PolyMC/instances/common/mods/balm-fabric-1.20.4-9.0.6.jar
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diff --git a/files/PolyMC/instances/common/mods/chunkloaders-1.2.8a-fabric-mc1.20.4.jar b/files/PolyMC/instances/common/mods/chunkloaders-1.2.8a-fabric-mc1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/continuity-3.0.0-beta.4+1.20.2.jar b/files/PolyMC/instances/common/mods/continuity-3.0.0-beta.4+1.20.2.jar
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diff --git a/files/PolyMC/instances/common/mods/entityculling-fabric-1.6.4-mc1.20.4.jar b/files/PolyMC/instances/common/mods/entityculling-fabric-1.6.4-mc1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/indium-1.0.30+mc1.20.4.jar b/files/PolyMC/instances/common/mods/indium-1.0.30+mc1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/iris-mc1.20.4-1.6.17.jar b/files/PolyMC/instances/common/mods/iris-mc1.20.4-1.6.17.jar
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diff --git a/files/PolyMC/instances/common/mods/journeymap-1.20.4-5.9.24-fabric.jar b/files/PolyMC/instances/common/mods/journeymap-1.20.4-5.9.24-fabric.jar
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diff --git a/files/PolyMC/instances/common/mods/lithium-fabric-mc1.20.4-0.12.1.jar b/files/PolyMC/instances/common/mods/lithium-fabric-mc1.20.4-0.12.1.jar
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diff --git a/files/PolyMC/instances/common/mods/malilib-fabric-1.20.4-0.18.1.jar b/files/PolyMC/instances/common/mods/malilib-fabric-1.20.4-0.18.1.jar
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diff --git a/files/PolyMC/instances/common/mods/minihud-fabric-1.20.4-0.30.2.jar b/files/PolyMC/instances/common/mods/minihud-fabric-1.20.4-0.30.2.jar
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diff --git a/files/PolyMC/instances/common/mods/modmenu-9.1.0-beta.1.jar b/files/PolyMC/instances/common/mods/modmenu-9.1.0-beta.1.jar
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diff --git a/files/PolyMC/instances/common/mods/moreculling-1.20.4-0.22.1.jar b/files/PolyMC/instances/common/mods/moreculling-1.20.4-0.22.1.jar
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diff --git a/files/PolyMC/instances/common/mods/no-resource-pack-warnings-1.3.0.jar b/files/PolyMC/instances/common/mods/no-resource-pack-warnings-1.3.0.jar
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diff --git a/files/PolyMC/instances/common/mods/no-telemetry-1.8.0.jar b/files/PolyMC/instances/common/mods/no-telemetry-1.8.0.jar
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diff --git a/files/PolyMC/instances/common/mods/owo-lib-0.12.6+1.20.3.jar b/files/PolyMC/instances/common/mods/owo-lib-0.12.6+1.20.3.jar
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diff --git a/files/PolyMC/instances/common/mods/reeses_sodium_options-1.7.2+mc1.20.4-build.102.jar b/files/PolyMC/instances/common/mods/reeses_sodium_options-1.7.2+mc1.20.4-build.102.jar
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diff --git a/files/PolyMC/instances/common/mods/sodium-extra-0.5.4+mc1.20.4-build.116.jar b/files/PolyMC/instances/common/mods/sodium-extra-0.5.4+mc1.20.4-build.116.jar
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diff --git a/files/PolyMC/instances/common/mods/sodium-fabric-0.5.8+mc1.20.4.jar b/files/PolyMC/instances/common/mods/sodium-fabric-0.5.8+mc1.20.4.jar
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diff --git a/files/PolyMC/instances/common/mods/sound-physics-remastered-fabric-1.20.4-1.3.1.jar b/files/PolyMC/instances/common/mods/sound-physics-remastered-fabric-1.20.4-1.3.1.jar
new file mode 100644
index 0000000..1b4c4bb
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diff --git a/files/PolyMC/instances/common/mods/supermartijn642configlib-1.1.8a-fabric-mc1.20.2.jar b/files/PolyMC/instances/common/mods/supermartijn642configlib-1.1.8a-fabric-mc1.20.2.jar
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index 0000000..53af649
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diff --git a/files/PolyMC/instances/common/mods/supermartijn642corelib-1.1.17-fabric-mc1.20.3.jar b/files/PolyMC/instances/common/mods/supermartijn642corelib-1.1.17-fabric-mc1.20.3.jar
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index 0000000..04756d0
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diff --git a/files/PolyMC/instances/common/mods/tesseract-1.0.35-fabric-mc1.20.2.jar b/files/PolyMC/instances/common/mods/tesseract-1.0.35-fabric-mc1.20.2.jar
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index 0000000..e9a998f
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diff --git a/files/PolyMC/instances/common/mods/tweakeroo-fabric-1.20.4-0.19.2.jar b/files/PolyMC/instances/common/mods/tweakeroo-fabric-1.20.4-0.19.2.jar
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index 0000000..d717d90
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diff --git a/files/PolyMC/instances/common/mods/waystones-fabric-1.20.4-16.0.4.jar b/files/PolyMC/instances/common/mods/waystones-fabric-1.20.4-16.0.4.jar
new file mode 100644
index 0000000..30f70fa
Binary files /dev/null and b/files/PolyMC/instances/common/mods/waystones-fabric-1.20.4-16.0.4.jar differ
diff --git a/files/PolyMC/instances/common/mods/yet-another-config-lib-fabric-3.3.2+1.20.4.jar b/files/PolyMC/instances/common/mods/yet-another-config-lib-fabric-3.3.2+1.20.4.jar
new file mode 100644
index 0000000..22870ad
Binary files /dev/null and b/files/PolyMC/instances/common/mods/yet-another-config-lib-fabric-3.3.2+1.20.4.jar differ
diff --git a/files/PolyMC/instances/common/resourcepacks/XrayUltimate.zip b/files/PolyMC/instances/common/resourcepacks/XrayUltimate.zip
new file mode 100644
index 0000000..3d5c9c1
Binary files /dev/null and b/files/PolyMC/instances/common/resourcepacks/XrayUltimate.zip differ
diff --git a/files/install.cmd b/files/install.cmd
index 4cc632f..81d1262 100644
--- a/files/install.cmd
+++ b/files/install.cmd
@@ -1,6 +1,6 @@
 @echo off
 SETLOCAL
-REM 2024-04-08
+REM 2024-04-15
 cls
 
 REM Define locale paths
diff --git a/mods.nsi b/mods.nsi
index f68adf3..a8e123a 100644
--- a/mods.nsi
+++ b/mods.nsi
@@ -1,4 +1,10 @@
-;2024-04-14
+;2024-04-15
+
+;Used NSIS Plug-ins
+;   https://github.com/negrutiu/nsis-nsxfer
+;   https://nsis.sourceforge.io/Locate_plugin
+;   https://nsis.sourceforge.io/Nsis7z_plug-in
+;   (https://nsis.sourceforge.io/PassDialog_plug-in)
 
 ;Define installer compression method and level
 SetCompressor /SOLID LZMA
@@ -6,11 +12,17 @@ SetCompressor /SOLID LZMA
 ;Activate CRC check
 CRCCheck on
 
+;Active XP style
+XPStyle on
+
 ;--------------------------------------------------------------------------------
 ;Constants
 
 !define PRODUCT_YEAR        "2024"
-!define PRODUCT_VERSION     "${PRODUCT_YEAR}.04.14.0"
+!define PRODUCT_MONTH       "04"
+!define PRODUCT_DAY         "15"
+!define PRODUCT_ITERATION   "1"
+!define PRODUCT_VERSION     "${PRODUCT_YEAR}.${PRODUCT_MONTH}.${PRODUCT_DAY}.${PRODUCT_ITERATION}"
 !define PRODUCT_UUID        "1e626553-03f9-47e1-a0cd-858e8effe76e" ;Change for each new product
 !define PRODUCT_BRAND       "Zogg"
 !define PRODUCT_NAME        "Mods"
@@ -22,6 +34,9 @@ CRCCheck on
 !define PRODUCT_TITLE       "${PRODUCT_BRAND} ${PRODUCT_NAME}"
 !define PRODUCT_COMPONENTS  "Fabric mods, Ressources Packs & Shaders"
 
+!define PRODUCT_BASEURL     "https://dl.zogg.fr/files/minecraft"
+!define PRODUCT_CONTENTFILE "mods.7z"
+
 !define PRODUCT_DEST        "$LOCALAPPDATA"
 !define PRODUCT_SMDIR       "NSIS:StartMenuDir"
 
@@ -43,7 +58,10 @@ CRCCheck on
     !include "Library.nsh"
     !include "x64.nsh"
     !include "WinVer.nsh"
-
+    !include "Locate.nsh"
+    !include "LogicLib.nsh"
+    !include "Sections.nsh"
+    !include "StrFunc.nsh"
 
 ;--------------------------------------------------------------------------------
 ;Macros
@@ -195,7 +213,7 @@ CRCCheck on
 ;Translations
 
     !insertmacro MUI_LANGUAGE "French"
-
+    !insertmacro MUI_RESERVEFILE_LANGDLL
 
 ;--------------------------------------------------------------------------------
 ;Version Tab (in the )Properties of the file)
@@ -222,18 +240,19 @@ CRCCheck on
         ;Set output path to the installation directory
         SetOutPath $INSTDIR
 
-        ;Copy a file to the current SetOutPath directory
-        File /r "files\*.*"
+        ;process content (download and uncompress)
+        call proceedContent
 
+        ;Execute specific shell script
+        call runCommandBatch
+
+        ;Make uninstall
         call addRegistryUninstall
         WriteUninstaller "${PRODUCT_UNINSTALLER}"
 
         ; Add Start Menu entries
         call addStartMenu
 
-        ;Execute specific shell script
-        call runCommandBatch
-
     SectionEnd
 
     ;Uninstall component
@@ -341,6 +360,7 @@ FunctionEnd
 ;Execute specific shell script
 Function runCommandBatch
 
+    DetailPrint "Mise en place..."
     nsExec::ExecToLog /OEM '"$INSTDIR\install.cmd"'
     Pop $0
 
@@ -374,6 +394,13 @@ Function checkForPolyMC
     Done:
 FunctionEnd
 
+;Open url on error, then quit application
+Function errorOpenUrl
+    MessageBox MB_OK "Une erreur est survenue !"
+    call openProductUrl
+    Quit
+FunctionEnd
+
 ;Check for previous installed version
 Function checkForPrevious
 
@@ -388,3 +415,79 @@ Function checkForPrevious
     ${EndIf}
 
 FunctionEnd
+
+;Download content to temps
+Function downloadContent
+
+    Retry:
+        NSxfer::Transfer /URL "${PRODUCT_BASEURL}/${PRODUCT_CONTENTFILE}" /LOCAL "$TEMP\${PRODUCT_CONTENTFILE}" /MODE Page /ABORT "Annuler" "Etes-vous sur ?" /END
+        Pop $0
+        ${If} $0 != "OK"
+            MessageBox MB_YESNO|MB_ICONEXCLAMATION|MB_SETFOREGROUND|MB_USERICON "Erreur de telechargement !$\r$\nVoulez-vous recommencer ?" IDYES true IDNO false
+            true:
+                goto Retry
+            false:
+                goto Exit
+        ${Else}
+            goto Done
+        ${EndIf}
+
+    Exit:
+        call errorOpenUrl
+
+    Done:
+FunctionEnd
+
+;Uncompress content to $INSTDIR
+Function uncompressContent
+
+	locate::_GetSize /NOUNLOAD "$TEMP\${PRODUCT_CONTENTFILE}" "/G=0"
+	Pop $5
+
+    Retry:
+        ClearErrors
+        SetOutPath $INSTDIR
+        GetFunctionAddress $R9 extractCallbackTest
+        Nsis7z::ExtractWithCallback "$TEMP\${PRODUCT_CONTENTFILE}" $R9
+        Pop $6
+
+        ;Check if extracted size <> content file size
+        ${If} $6 != $5
+            MessageBox MB_YESNO|MB_ICONEXCLAMATION|MB_SETFOREGROUND|MB_USERICON "Erreur de decompression !$\r$\nVoulez-vous recommencer ?" IDYES true IDNO false
+            true:
+                goto Retry
+            false:
+                goto Exit
+        ${Else}
+            goto Done
+        ${EndIf}
+
+    Exit:
+        Delete "$TEMP\${PRODUCT_CONTENTFILE}"
+        call errorOpenUrl
+
+    Done:
+        Delete "$TEMP\${PRODUCT_CONTENTFILE}"
+FunctionEnd
+
+;Download content to installation folder
+Function proceedContent
+
+    call downloadContent
+    call uncompressContent
+
+FunctionEnd
+
+;Progression callback for extraction
+Function extractCallbackTest
+
+    Pop $R8 ;current
+    Pop $R9 ;total
+
+    Math::Script "R5 = $R8 * 100 / $R9"
+
+    SetDetailsPrint textonly
+    DetailPrint "Extraction $R5%"
+    SetDetailsPrint both
+
+FunctionEnd