diff --git a/scripts/windows/nsis_script.nsi b/scripts/windows/nsis_script.nsi
index 111b2f2..8c456ce 100644
--- a/scripts/windows/nsis_script.nsi
+++ b/scripts/windows/nsis_script.nsi
@@ -8,6 +8,7 @@
 !define PRODUCT_WEB_SITE "https://www.crossdesk.cn/"
 !define APP_NAME "CrossDesk"
 !define UNINSTALL_REG_KEY "CrossDesk"
+!define PRODUCT_SERVICE_NAME "CrossDeskService"
 
 ; Installer icon path
 !define MUI_ICON "${__FILEDIR__}\..\..\icons\windows\crossdesk.ico"
@@ -68,14 +69,21 @@ cancelInstall:
     Abort
 
 installApp:
+    Call StopInstalledService
+
     SetOutPath "$INSTDIR"
     SetOverwrite ifnewer
 
     ; Main application executable path
     File /oname=CrossDesk.exe "..\..\build\windows\x64\release\crossdesk.exe"
+    ; Bundle service-side binaries required by the Windows service flow
+    File "..\..\build\windows\x64\release\crossdesk_service.exe"
+    File "..\..\build\windows\x64\release\crossdesk_session_helper.exe"
     ; Bundle runtime DLLs from the release output directory
     File "..\..\build\windows\x64\release\*.dll"
 
+    Call RegisterInstalledService
+
     ; Write uninstall information
     WriteUninstaller "$INSTDIR\uninstall.exe"
 
@@ -122,8 +130,12 @@ cancelUninstall:
     Abort
 
 uninstallApp:
+    Call UnregisterInstalledService
+
     ; Delete main executable and uninstaller
     Delete "$INSTDIR\CrossDesk.exe"
+    Delete "$INSTDIR\crossdesk_service.exe"
+    Delete "$INSTDIR\crossdesk_session_helper.exe"
     Delete "$INSTDIR\uninstall.exe"
 
     ; Recursively delete installation directory
@@ -148,3 +160,85 @@ SectionEnd
 Function LaunchApp
     Exec "$INSTDIR\CrossDesk.exe"
 FunctionEnd
+
+Function StopInstalledService
+    IfFileExists "$INSTDIR\CrossDesk.exe" 0 stop_with_sc
+    IfFileExists "$INSTDIR\crossdesk_service.exe" 0 stop_with_sc
+
+    DetailPrint "Stopping existing CrossDesk service"
+    ExecWait '"$INSTDIR\CrossDesk.exe" --service-stop' $0
+    ${If} $0 = 0
+        Return
+    ${EndIf}
+
+stop_with_sc:
+    DetailPrint "Stopping existing CrossDesk service via Service Control Manager"
+    ExecWait '"$SYSDIR\sc.exe" stop ${PRODUCT_SERVICE_NAME}' $0
+    ${If} $0 != 0
+    ${AndIf} $0 != 1060
+    ${AndIf} $0 != 1062
+        MessageBox MB_ICONSTOP|MB_OK "Failed to stop the existing CrossDesk service. The installation will be aborted."
+        Abort
+    ${EndIf}
+    Sleep 1500
+FunctionEnd
+
+Function RegisterInstalledService
+    IfFileExists "$INSTDIR\CrossDesk.exe" 0 missing_service_binary
+    IfFileExists "$INSTDIR\crossdesk_service.exe" 0 missing_service_binary
+    IfFileExists "$INSTDIR\crossdesk_session_helper.exe" 0 missing_service_binary
+
+    DetailPrint "Registering CrossDesk service"
+    ExecWait '"$INSTDIR\CrossDesk.exe" --service-install' $0
+    ${If} $0 != 0
+        MessageBox MB_ICONSTOP|MB_OK "Failed to register the CrossDesk service. The installation will be aborted."
+        Abort
+    ${EndIf}
+
+    DetailPrint "Starting CrossDesk service"
+    ExecWait '"$INSTDIR\CrossDesk.exe" --service-start' $0
+    ${If} $0 != 0
+        ExecWait '"$INSTDIR\CrossDesk.exe" --service-uninstall' $1
+        ExecWait '"$SYSDIR\sc.exe" delete ${PRODUCT_SERVICE_NAME}' $1
+        MessageBox MB_ICONSTOP|MB_OK "The CrossDesk service was registered but could not be started. The installation will be aborted."
+        Abort
+    ${EndIf}
+
+    Return
+
+missing_service_binary:
+    MessageBox MB_ICONSTOP|MB_OK "CrossDesk service files are missing from the installer package. The installation will be aborted."
+    Abort
+FunctionEnd
+
+Function UnregisterInstalledService
+    IfFileExists "$INSTDIR\CrossDesk.exe" 0 unregister_with_sc
+
+    DetailPrint "Stopping CrossDesk service"
+    ExecWait '"$INSTDIR\CrossDesk.exe" --service-stop' $0
+    ${If} $0 = 0
+        DetailPrint "Removing CrossDesk service"
+        ExecWait '"$INSTDIR\CrossDesk.exe" --service-uninstall' $0
+        ${If} $0 = 0
+            Return
+        ${EndIf}
+    ${EndIf}
+
+unregister_with_sc:
+    DetailPrint "Removing CrossDesk service via Service Control Manager"
+    ExecWait '"$SYSDIR\sc.exe" stop ${PRODUCT_SERVICE_NAME}' $0
+    ${If} $0 != 0
+    ${AndIf} $0 != 1060
+    ${AndIf} $0 != 1062
+        MessageBox MB_ICONSTOP|MB_OK "Failed to stop the CrossDesk service. Uninstall will be aborted."
+        Abort
+    ${EndIf}
+    Sleep 1500
+
+    ExecWait '"$SYSDIR\sc.exe" delete ${PRODUCT_SERVICE_NAME}' $0
+    ${If} $0 != 0
+    ${AndIf} $0 != 1060
+        MessageBox MB_ICONSTOP|MB_OK "Failed to remove the CrossDesk service. Uninstall will be aborted."
+        Abort
+    ${EndIf}
+FunctionEnd
diff --git a/src/service/windows/interactive_state.h b/src/service/windows/interactive_state.h
index 8476983..0a2a9cd 100644
--- a/src/service/windows/interactive_state.h
+++ b/src/service/windows/interactive_state.h
@@ -1,5 +1,11 @@
-#ifndef _CROSSDESK_INTERACTIVE_STATE_H_
-#define _CROSSDESK_INTERACTIVE_STATE_H_
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-04-21
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _INTERACTIVE_STATE_H_
+#define _INTERACTIVE_STATE_H_
 
 #include <string>
 
diff --git a/src/service/windows/service_host.h b/src/service/windows/service_host.h
index 726029d..f851ffb 100644
--- a/src/service/windows/service_host.h
+++ b/src/service/windows/service_host.h
@@ -1,5 +1,11 @@
-#ifndef _CROSSDESK_SERVICE_HOST_H_
-#define _CROSSDESK_SERVICE_HOST_H_
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-04-21
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SERVICE_HOST_H_
+#define _SERVICE_HOST_H_
 
 #include <Windows.h>
 
diff --git a/src/service/windows/session_helper_main.cpp b/src/service/windows/session_helper_main.cpp
index 126f0ad..7d55859 100644
--- a/src/service/windows/session_helper_main.cpp
+++ b/src/service/windows/session_helper_main.cpp
@@ -1,5 +1,7 @@
-#include <TlHelp32.h>
+// clang-format off
 #include <Windows.h>
+#include <TlHelp32.h>
+// clang-format on
 #include <WtsApi32.h>
 #include <libyuv.h>
 #include <sddl.h>
diff --git a/src/service/windows/session_helper_shared.h b/src/service/windows/session_helper_shared.h
index b68e8f5..1dabd24 100644
--- a/src/service/windows/session_helper_shared.h
+++ b/src/service/windows/session_helper_shared.h
@@ -1,5 +1,11 @@
-#ifndef _CROSSDESK_SESSION_HELPER_SHARED_H_
-#define _CROSSDESK_SESSION_HELPER_SHARED_H_
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-04-21
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SESSION_HELPER_SHARED_H_
+#define _SESSION_HELPER_SHARED_H_
 
 #include <Windows.h>
 
diff --git a/xmake/targets.lua b/xmake/targets.lua
index 484af70..206054b 100644
--- a/xmake/targets.lua
+++ b/xmake/targets.lua
@@ -192,7 +192,7 @@ function setup_targets()
             add_files("src/service/windows/service_host.cpp")
             add_includedirs("src/service/windows", {public = true})
             add_links("Advapi32", "Wtsapi32", "Ole32", "Userenv")
-            add_deps("wgc_plugin")
+            add_deps("wgc_plugin", "crossdesk_service", "crossdesk_session_helper")
             add_files("scripts/windows/crossdesk.rc")
         end
 end
\ No newline at end of file