This [embed-software_word:0660939] is available for a free download from the Tektronix web site. This software also be available on some CDs that are shipped with some of our TDS or DPO/MSO oscilloscopes; however, may be an earlier version.  If so, you can update with the current version as noted above.. If you are running Windows 7 or later and using Openchoice Desktop,  version 2.1 or later is recommended. Version 2.1 and later include the latest TEKVISA drivers that are required for Windows 7. [embed-software_button:0660939]