diff --git a/installer/Install.ps1 b/installer/Install.ps1
index 65c6b16..518a394 100644
--- a/installer/Install.ps1
+++ b/installer/Install.ps1
@@ -1,4 +1,21 @@
-# Automated Install script by Midonei
+# This file is part of MagiskOnWSALocal.
+#
+# MagiskOnWSALocal is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# MagiskOnWSALocal is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with MagiskOnWSALocal.  If not, see <https://www.gnu.org/licenses/>.
+#
+# Copyright (C) 2023 LSPosed Contributors
+#
+
 $Host.UI.RawUI.WindowTitle = "Installing MagiskOnWSA...."
 function Test-Administrator {
     [OutputType([bool])]
@@ -19,7 +36,18 @@ function Get-InstalledDependencyVersion {
     }
 }
 
+Function Test-CommandExists {
+    Param ($command)
+    $oldPreference = $ErrorActionPreference
+    $ErrorActionPreference = 'stop'
+    try { if (Get-Command $command) { RETURN $true } }
+    Catch { Write-Host "$command does not exist"; RETURN $false }
+    Finally { $ErrorActionPreference = $oldPreference }
+} #end function test-CommandExists
+
 function Finish {
+    Write-Host "Optimizing VHDX size...."
+    If (Test-CommandExists Optimize-VHD) { Optimize-VHD ".\*.vhdx" -Mode Full }
     Clear-Host
     Start-Process "wsa://com.topjohnwu.magisk"
     Start-Process "wsa://com.android.vending"
diff --git a/installer/Run.bat b/installer/Run.bat
index 3f68708..5d9539d 100644
--- a/installer/Run.bat
+++ b/installer/Run.bat
@@ -1,4 +1,20 @@
-:: Automated Install batch script by Syuugo
+:: This file is part of MagiskOnWSALocal.
+::
+:: MagiskOnWSALocal is free software: you can redistribute it and/or modify
+:: it under the terms of the GNU Affero General Public License as
+:: published by the Free Software Foundation, either version 3 of the
+:: License, or (at your option) any later version.
+::
+:: MagiskOnWSALocal is distributed in the hope that it will be useful,
+:: but WITHOUT ANY WARRANTY; without even the implied warranty of
+:: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+:: GNU Affero General Public License for more details.
+::
+:: You should have received a copy of the GNU Affero General Public License
+:: along with MagiskOnWSALocal.  If not, see <https://www.gnu.org/licenses/>.
+::
+:: Copyright (C) 2023 LSPosed Contributors
+::
 
 @echo off
 if not exist Install.ps1 (