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docs/tutorial/windows-store-guide.md
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# Windows Store Guide
With Windows 8, the good old win32 exectuable got a new sibling: The Universial Windows Platform. The new `.appx` format does not only enable a number of new powerful APIs like Cortana or Push Notifications, but through the Windows Store, also simplifies installation and updating.
With Windows 8, the good old win32 executable got a new sibling: The Universal
Windows Platform. The new `.appx` format does not only enable a number of new
powerful APIs like Cortana or Push Notifications, but through the Windows Store,
also simplifies installation and updating.
Microsoft [developed a tool that compiles Electron apps as `.appx` packages](http://github.com/catalystcode/electron-windows-store), enabling developers to use some of the goodies found in the new application model. This guide explains how to use it - and what the capabilities and limitations of an Electron AppX package are.
Microsoft [developed a tool that compiles Electron apps as `.appx` packages](http://github.com/catalystcode/electron-windows-store),
enabling developers to use some of the goodies found in the new application
model. This guide explains how to use it - and what the capabilities and
limitations of an Electron AppX package are.
## Background and Requirements
Windows 10 "Anniversary Update" is able to run win32 `.exe` binaries by launching them together with a virtualized filesystem and registry. Both are created during compilation by running app and installer inside a Windows Container, allowing Windows to identify exactly which modifications to the operating system are done during installation. Pairing the executable with a virtual filesystem and a virtual registry allows Windows to enable one-click installation and uninstallation.
Windows 10 "Anniversary Update" is able to run win32 `.exe` binaries by
launching them together with a virtualized filesystem and registry. Both are
created during compilation by running app and installer inside a Windows
Container, allowing Windows to identify exactly which modifications to the
operating system are done during installation. Pairing the executable with a
virtual filesystem and a virtual registry allows Windows to enable one-click
installation and uninstallation.
In addition, the exe is launched inside the appx model - meaning that it can use many of the APIs available to the Universial Windows Platform. To gain even more capabilities, an Electron app can pair up with an invisible UWP app launched together with the `exe` - sort of launched as a sidekick to run tasks in the background, receive push notifications, or to communicate with other UWP applications.
In addition, the exe is launched inside the appx model - meaning that it can use
many of the APIs available to the Universal Windows Platform. To gain even more
capabilities, an Electron app can pair up with an invisible UWP app launched
together with the `exe` - sort of launched as a sidekick to run tasks in the
background, receive push notifications, or to communicate with other UWP
applications.
To compile any existing Electron app, ensure that you have the following requirements:
To compile any existing Electron app, ensure that you have the following
requirements:
* Windows 10 Anniversary Update - Enterprise Edition (This is build 14316 and up
- as of May 2016, it's part of the Windows Insiders Preview)
* A machine with 64 bit (x64) processor, Hardware-Assisted Virtualization, and
Second Level Address Translation (SLAT)
* The Windows 10 SDK, [downloadable here](https://developer.microsoft.com/en-us/windows/downloads/windows-10-sdk)
* At least Node 4 (to check, run `node -v`)
* Windows 10 Anniversary Update - Enterprise Edition (This is build 14316 and up - as of May 2016, it's part of the Windows Insiders Preview)
* A machine with 64 bit (x64) processor, Hardware-Assisted Virtualization, and Second Level Address Translation (SLAT)
* The Windows 10 SDK, [downloadable here](https://developer.microsoft.com/en-us/windows/downloads/windows-10-sdk)
* At least Node 4 (to check, run `node -v`)
Then, go and install the `electron-windows-store` CLI:
```
@ -25,17 +45,30 @@ npm install -g electron-windows-store
## Setup and Preparation
Before running the CLI for the first time, you will have to setup the "Windows Desktop App Converter". This will take a few minutes, but don't worry - you only have to do this once. Download and Desktop App Converter from [here](https://www.microsoft.com/en-us/download/details.aspx?id=51691). You will receive two files: `DesktopAppConverter.zip` and `BaseImage-14316.wim`.
Before running the CLI for the first time, you will have to setup the "Windows
Desktop App Converter". This will take a few minutes, but don't worry - you only
have to do this once. Download and Desktop App Converter from
[here](https://www.microsoft.com/en-us/download/details.aspx?id=51691). You will
receive two files: `DesktopAppConverter.zip` and `BaseImage-14316.wim`.
1. Unzip `DesktopAppConverter.zip`. From an elevated PowerShell (opened with "run as Administrator", ensure that your systems execution policy allows us to run everything we intend to run by calling `Set-ExecutionPolicy bypass`.
2. Then, run the installation of the Desktop App Converter, passing in the location of the Windows base Image (downloaded as `BaseImage-14316.wim`), by calling `.\DesktopAppConverter.ps1 -Setup -BaseImage .\BaseImage-14316.wim`.
3. If running the above command prompts you for a reboot, please restart your machine and run the above command again after a successful restart.
1. Unzip `DesktopAppConverter.zip`. From an elevated PowerShell (opened with
"run as Administrator", ensure that your systems execution policy allows us to
run everything we intend to run by calling `Set-ExecutionPolicy bypass`.
2. Then, run the installation of the Desktop App Converter, passing in the
location of the Windows base Image (downloaded as `BaseImage-14316.wim`), by
calling `.\DesktopAppConverter.ps1 -Setup -BaseImage .\BaseImage-14316.wim`.
3. If running the above command prompts you for a reboot, please restart your
machine and run the above command again after a successful restart.
Once installation succeeded, you can move on to compiling your Electron app.
## Package Your Electron Application
Package the application using [electron-packager](https://github.com/electron-userland/electron-packager) (or a similar tool). Make sure to remove `node_modules` that you don't need in your final application, since any module you don't actually need will just increase your application's size.
Package the application using
[electron-packager](https://github.com/electron-userland/electron-packager)
(or a similar tool). Make sure to remove `node_modules` that you don't need in
your final application, since any module you don't actually need will just
increase your application's size.
The output should look roughly like this:
@ -70,7 +103,10 @@ The output should look roughly like this:
## Running the Command Line Tool
From an elevated PowerShell (run it "as Administrator"), run `electron-windows-store` with the required parameters, passing both the input and output directories, the app's name and version, and confirmation that `node_modules` should be flattened.
From an elevated PowerShell (run it "as Administrator"), run
`electron-windows-store` with the required parameters, passing both the input
and output directories, the app's name and version, and confirmation that
`node_modules` should be flattened.
```
electron-windows-store `
@ -81,12 +117,26 @@ electron-windows-store `
--package-name myelectronapp
```
Once executed, the tool goes to work: It accepts your Electron app as an input, flattening the `node_modules`. Then, it archives your application as `app.zip`. Using an installer and a Windows Container, the tool creates an "expanded" AppX package - including the Windows Application Manifest (`AppXManifest.xml`) as well as the virtual file system and the virtual registry inside your output folder.
Once executed, the tool goes to work: It accepts your Electron app as an input,
flattening the `node_modules`. Then, it archives your application as `app.zip`.
Using an installer and a Windows Container, the tool creates an "expanded" AppX
package - including the Windows Application Manifest (`AppXManifest.xml`) as
well as the virtual file system and the virtual registry inside your output
folder.
Once the expanded AppX files are created, the tool uses the Windows App Packager (`MakeAppx.exe`) to create a single-file AppX package from those files on disk. Finally, the tool can be used to create a trusted certificate on your computer to sign the new AppX pacakge. With the signed AppX package, the CLI can also automatically install the package on your machine.
Once the expanded AppX files are created, the tool uses the Windows App Packager
(`MakeAppx.exe`) to create a single-file AppX package from those files on disk.
Finally, the tool can be used to create a trusted certificate on your computer
to sign the new AppX pacakge. With the signed AppX package, the CLI can also
automatically install the package on your machine.
## Using the AppX Package
Since the Windows Anniversary Update (codenamed Windows Redstone) has not been released to consumers yet, you won't be able to release your app to the Windows Store until later this year - but you can already use the `Add-AppxPackage` [PowerShell Cmdlet to install it on machines](https://technet.microsoft.com/en-us/library/hh856048.aspx) in developer or enterprise environments.
Since the Windows Anniversary Update (codenamed Windows Redstone) has not been
released to consumers yet, you won't be able to release your app to the Windows
Store until later this year - but you can already use the `Add-AppxPackage`
[PowerShell Cmdlet to install it on machines](https://technet.microsoft.com/en-us/library/hh856048.aspx)
in developer or enterprise environments.
Another important limitation is that the compiled AppX package still contains a win32 executable - and will therefore not run on Xbox, HoloLens, or Phones.
Another important limitation is that the compiled AppX package still contains a
win32 executable - and will therefore not run on Xbox, HoloLens, or Phones.