more code signing docs

docs/tutorial/code-signing.md

@@ -28,18 +28,42 @@ There are a number of tools for signing your packaged app:
 - [`electron-osx-sign`] is a standalone tool for signing macOS packages.
 - [`electron-packager`] bundles `electron-osx-sign`. If you're using `electron-packager`,
 pass the `--osx-sign=true` flag to sign your build.
+  - [`electron-forge`] uses `electron-packager` internally, you can set the `osxSign` option
+    in your forge config.
 - [`electron-builder`] has built-in code-signing capabilities. See [electron.build/code-signing](https://www.electron.build/code-signing)
 
 For more info, see the [Mac App Store Submission Guide].
 
 # Signing Windows builds
 
+Before signing Windows builds, you must do the following:
+
+1. Get a Windows Authenticode code signing certificate
+2. Install Visual Studio 2015/2017 (to get the signing utility)
+
+You can get a code signing certificate from a lot of resellers, popular ones include:
+
+* [digicert](https://www.digicert.com/code-signing/microsoft-authenticode.htm)
+* [Comodo](https://www.comodo.com/landing/ssl-certificate/authenticode-signature/)
+* [GoDaddy](https://au.godaddy.com/web-security/code-signing-certificate)
+* Amongst others, please shop around to find one that suits your needs, Google is your friend :)
+
+There are a number of tools for signing your packaged app:
+
+- [`electron-winstaller`] will generate an installer for windows and sign it for you
+- [`electron-forge`] can sign installers it generates through the Squirrel.Windows or MSI targets.
+- [`electron-builder`] can sign some of its windows targets
+
+## Windows Store
+
 See the [Windows Store Guide].
 
 [Apple Developer Program]: https://developer.apple.com/programs/
+[`electron-builder`]: https://github.com/electron/electron-builder
+[`electron-forge`]: https://github.com/electron-userland/electron-forge
 [`electron-osx-sign`]: https://github.com/electron-userland/electron-osx-sign
 [`electron-packager`]: https://github.com/electron-userland/electron-packager
-[`electron-builder`]: https://github.com/electron/electron-builder
+[`electron-winstaller`]: https://github.com/electron/windows-installer
 [Xcode]: https://developer.apple.com/xcode
 [signing certificates]: https://github.com/electron-userland/electron-osx-sign/wiki/1.-Getting-Started#certificates
 [Mac App Store Submission Guide]: mac-app-store-submission-guide.md