The ActivPanel Touch support six simultaneous touches when used with Windows 7 and Windows 8. But, the number of touches depends on what the program will support. For example, ActivInspire 1.7b is limited to a single user with two touches whereas ActivInspire 1.8+ can support multiple users with up to six touches.
Thank you, Jon, for this follow up question. Yes, the limitation lies with the software, not the panel. If the software allows, then the ActivPanel touch can support up to 6 simultaneous touches. So in the example above, if you were using Inspire version 1.7 on a windows 7 PC, you would only have 2 touches. If you were to then close Inspire, you should be able to use 6-touch in the Windows environment.