diff --git a/config/sign/lgcns.pvk b/config/sign/lgcns.pvk
new file mode 100644
index 00000000..2249dcfb
Binary files /dev/null and b/config/sign/lgcns.pvk differ
diff --git a/config/sign/lgcns.spc b/config/sign/lgcns.spc
new file mode 100644
index 00000000..8d78a615
Binary files /dev/null and b/config/sign/lgcns.spc differ
diff --git a/config/sign/www.lgcns.com.pfx b/config/sign/www.lgcns.com.pfx
new file mode 100644
index 00000000..60abd738
Binary files /dev/null and b/config/sign/www.lgcns.com.pfx differ
diff --git a/config/sign/인증서 서명방법.doc b/config/sign/인증서 서명방법.doc
new file mode 100644
index 00000000..6fd73c43
Binary files /dev/null and b/config/sign/인증서 서명방법.doc differ
diff --git a/config/sign/인증서 패스워드.txt b/config/sign/인증서 패스워드.txt
new file mode 100644
index 00000000..7af1247f
--- /dev/null
+++ b/config/sign/인증서 패스워드.txt	
@@ -0,0 +1,13 @@
+����Ű ��ȣ :
+it15itsm
+
+LG UCAP
+http://www.lgucap.com/
+
+
+http://timestamp.versign.com/scripts/timstamp.dll
+������ �ȵǼ� �Ʒ��� ���
+http://timestamp.globalsign.com/scripts/timstamp.dll
+
+
+
diff --git a/electron-builder.json b/electron-builder.json
index 41bc3fc3..96170646 100644
--- a/electron-builder.json
+++ b/electron-builder.json
@@ -20,8 +20,12 @@
   },
   "win": {
     "target": ["zip", "nsis"],
-    "requestedExecutionLevel": "requireAdministrator",
-    "icon": "./dist/ucap-webmessenger-electron/resources/image/16_16.ico"
+    "icon": "./dist/ucap-webmessenger-electron/resources/image/16_16.ico",
+    "legalTrademarks": "(c) 2015 lgucap.com",
+    "publisherName": "LGCNS",
+    "signingHashAlgorithms": ["sha1"],
+    "certificateFile": "./config/sign/lgcns.pvk",
+    "certificatePassword": "it15itsm"
   },
   "linux": {
     "target": ["AppImage", "deb", "rpm", "zip", "tar.gz"],
@@ -31,8 +35,7 @@
     "oneClick": true,
     "allowToChangeInstallationDirectory": false,
     "perMachine": false,
-    "differentialPackage": true,
-    "deleteAppDataOnUninstall": true
+    "differentialPackage": true
   },
   "directories": {
     "buildResources": "./dist/ucap-webmessenger-electron/resources/installer/",