First of all, the application deployment bypassing the Windows Store is called sideloading.
One basically has two options to perform sideloading:
Windows 8 Pro
andWindows Server 8
, if they are joined to a domain, are directly ready for side-loading.Windows 8
andWindows 8 RT
, as well as the above-mentioned systems without domain, require the activation of a specialSideloading key
, which can be purchased by enterprises only and usually available in 100 packs (priced at $3000 per pack, $30 per licence).
The installation of the app can be done either by using the application image and DISM or in runtime by add-appxpackage
PowerShell CmdLet.
Here is a good explanation of the whole process (in German).