I do know that the online version does not interact with any physical hardware so it can be used as a standalone tool (as can the desktop versions, no physical hardware is required). NI does have Multisim Live now ( ) which has both a free and a paid version, though I'm not fully certain of the differences between the online version and the desktop (i.e. Whether or not that is worth it to you is more of a personal opinion so I won't be of much help in that regard. Note You can double-click on a bus entry to edit its properties via the Bus Entry. The latest version available is 14.2, which I believe we ship now, so perhaps it is possible that we can just email the appropriate serial number/activation code and you use it to appropriately activate the software after downloading it from NI's website. There aren't actually any newer versions of Multisim as you can see on the National Instruments page for it. Hi believe would have to be shipped as it is a CD installation.