Note: If you use a Download Manager like Folx to download the raw packages, you’ll also be able to achieve higher download speeds compared to what you’d get if you’d downloaded the update from MAS. Once the files are downloaded to the computer, we’ll configure our system in such a way that Mac App Store fetches the raw packages directly from the local repository (localhost) instead of from the Apple servers. In this workaround, we’ll directly download the raw packages from Apple servers using the web browser or a dedicated download manager. Only when MAS processes these files during the download, are they converted to an installable (.app) file that can run on your Mac.
These packages are not directly installable on your Mac. Ideally, when you download macOS Sierra from the Mac App Store, some raw package files will be downloaded to your computer.
