You must create a Mac App on iTunes Connect.To check whether it is available, try xcode-select -install and follow the instructions. You must have Xcode Command Line Tools installed.It is not recommended to download your copy from other 3rd party sources for security reasons. You must have Xcode installed either from Mac App Store or from Apple Developer.Please note that you could be charged by Apple in order to get issued with the required certificates. You must be a registered member of the Apple Developer Program.However, installing it globally could give your build more customization. Note: As electron-osx-sign is now integrated in electron-packager, replacing the original codesign execution, it's unnecessary to have electron-osx-sign separately installed.

electron-osx-sign and electron-osx-flat (included in electron-osx-sign).Įlectron-packager greatly streamlines the process because it downloads the necessary Electron build instead of having to obtain and override your system-installed version, and packs your web application automatically for either of the OS X distributions.Distributing an Electron-based application on OS X has been made as simple as possible using the three tools:

Create installer for electron app