This item is the portable version of the NetScanTools Pro designed to be installed by the End User on an High Speed USB flash drive such as a Patriot SuperSonic Boost. This software is not installed on a computer hard drive - the software and all data reside on the USB Flash Drive. You will receive a custom fileset that will require interaction with our tech support in order to fully activate - this is not an immediate download - please allow time to be contacted by us. Hotmail/live/outlook and Yahoo email addresses cannot be used for ordering. Questions? email: sales@netscantools.com