VoxATC can be used for 30 days after installation before requiring registration, thus you can ensure that it is working to your satisfaction before purchasing.
FSX, FSX SE or P3D (versions 2, 3 or 4) Installed
Microsoft .Net framework version 4.0
Non-English versions of Vista/Win 7/Win 8/Win 10 require the US English language pack be installed.
To have the VoxATC panels displayed on the network server computer or another system on the network when running the VoxATC network server, download from the link below and install on the system used to display the panels.
The current version of VoxATC X is 7.42. If you wish to upgrade, uninstall your current VoxATC X, VoxPopBase and any VoxPop voices then download and install this version (and the VoxPop voices available here). Registration keys for versions earlier than 7 will not work with this version
An updated version of UT2Bridge will be available in a couple of months. Don't upgrade yet if you use Ultimate Traffic with VoxATC
Version 6 is still available here
Version 7.41 is available here