diff --git a/package.json b/package.json
index dae17526..bc21a11d 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,8 @@
     "dev": "electron . --debug",
     "lint": "standard",
     "test": "mocha tests && npm run lint",
-    "sign-exe": "./script/sign-exe.sh",
-    "sign-installer": "./script/sign-installer.sh",
+    "sign-exe": "signcode ./out/ElectronAPIDemos-win32-ia32/ElectronAPIDemos.exe --cert ~/electron-api-demos.p12 --prompt --name 'Electron API Demos' --url 'https://electron.atom.io'",
+    "sign-installer": "signcode ./out/windows-installer/ElectronAPIDemosSetup.exe --cert ~/electron-api-demos.p12 --prompt --name 'Electron API Demos' --url 'https://electron.atom.io'",
     "pack-mac": "electron-packager . --asar --overwrite --platform=darwin --arch=x64 --icon=assets/app-icon/mac/app.icns --prune=true --out=out --osx-sign.identity='Developer ID Application: GitHub'",
     "pack-win": "electron-packager . ElectronAPIDemos --asar  --overwrite --platform=win32 --arch=ia32 --icon=assets/app-icon/win/app.ico --prune=true --out=out --version-string.CompanyName='GitHub, Inc.' --version-string.FileDescription='Electron API Demos' --version-string.ProductName='Electron API Demos'",
     "pack-linux": "electron-packager . --asar --overwrite --platform=linux --arch=x64 --icon=assets/app-icon/png/64.png --prune=true --out=out",
@@ -49,6 +49,7 @@
     "mocha": "^2.3.4",
     "request": "^2.70.0",
     "rimraf": "^2.5.2",
+    "signcode": "^0.4.0",
     "spectron": "~1.37.0",
     "standard": "^6.0.8"
   },
diff --git a/script/create-cert.sh b/script/create-cert.sh
deleted file mode 100755
index 222a3a3d..00000000
--- a/script/create-cert.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env bash
-
-set -ex
-
-rm -f ~/electron-api-demos-key.pem
-rm -f ~/electron-api-demos-cert.pem
-rm -f ~/electron-api-demos.key
-rm -f ~/electron-api-demos.spc
-
-openssl pkcs12 -in "$1" -nocerts -nodes -out ~/electron-api-demos-key.pem
-openssl pkcs12 -in "$1" -nokeys -nodes -out ~/electron-api-demos-cert.pem
-openssl rsa -des3 -in ~/electron-api-demos-key.pem -out ~/electron-api-demos.key
-openssl crl2pkcs7 -nocrl -certfile ~/electron-api-demos-cert.pem -outform DER -out ~/electron-api-demos.spc
-
-rm -f ~/electron-api-demos-key.pem
-rm -f ~/electron-api-demos-cert.pem
diff --git a/script/sign-exe.sh b/script/sign-exe.sh
deleted file mode 100755
index b7a212d7..00000000
--- a/script/sign-exe.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/env bash
-
-set -ex
-
-EXE_PATH=./out/ElectronAPIDemos-win32-ia32/ElectronAPIDemos.exe
-SIGNED_EXE_PATH=./out/ElectronAPIDemos-win32-ia32/ElectronAPIDemosSigned.exe
-
-osslsigncode \
-  -spc ~/electron-api-demos.spc \
-  -key ~/electron-api-demos.key \
-  -h sha1 \
-  -n 'Electron API Demos' \
-  -i http://electron.atom.io  \
-  -t http://timestamp.verisign.com/scripts/timstamp.dll \
-  -in "$EXE_PATH" \
-  -out "$SIGNED_EXE_PATH"
-
-mv "$SIGNED_EXE_PATH" "$EXE_PATH"
-
-osslsigncode \
-  -spc ~/electron-api-demos.spc \
-  -key ~/electron-api-demos.key \
-  -h sha256 \
-  -n 'Electron API Demos' \
-  -i http://electron.atom.io  \
-  -t http://timestamp.verisign.com/scripts/timstamp.dll \
-  -nest \
-  -in "$EXE_PATH" \
-  -out "$SIGNED_EXE_PATH"
-
-mv "$SIGNED_EXE_PATH" "$EXE_PATH"
diff --git a/script/sign-installer.sh b/script/sign-installer.sh
deleted file mode 100755
index c757231e..00000000
--- a/script/sign-installer.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/env bash
-
-set -ex
-
-INSTALLER_PATH=./out/windows-installer/ElectronAPIDemosSetup.exe
-SIGNED_INSTALLER_PATH=./out/windows-installer/ElectronAPIDemosSetupSigned.exe
-
-osslsigncode \
-  -spc ~/electron-api-demos.spc \
-  -key ~/electron-api-demos.key \
-  -h sha1 \
-  -n 'Electron API Demos' \
-  -i http://electron.atom.io  \
-  -t http://timestamp.verisign.com/scripts/timstamp.dll \
-  -in "$INSTALLER_PATH" \
-  -out "$SIGNED_INSTALLER_PATH"
-
-mv "$SIGNED_INSTALLER_PATH" "$INSTALLER_PATH"
-
-osslsigncode \
-  -spc ~/electron-api-demos.spc \
-  -key ~/electron-api-demos.key \
-  -h sha256 \
-  -n 'Electron API Demos' \
-  -i http://electron.atom.io  \
-  -t http://timestamp.verisign.com/scripts/timstamp.dll \
-  -nest \
-  -in "$INSTALLER_PATH"\
-  -out "$SIGNED_INSTALLER_PATH"
-
-mv "$SIGNED_INSTALLER_PATH" "$INSTALLER_PATH"