It is possible to make the AirServer for Windows 10 Desktop Edition (*.appx) available for all users by following these steps:
1. Download AirServer from the Windows Store first (no Microsoft account needed).
2. Afterwards you will have to open a PowerShell window with Administrator rights.
3. Enter this into the PowerShell window: "Get-AppXPackage *airserver* -AllUsers" and press ENTER
This will make AirServer for Windows 10 Desktop Edition available for all users without requiring a download from the Windows Store again.