Prerequisites A PC equipped with Pentium III or equivalent or later processor, 4 GB RAM or more, Microsoft Windows 7 x64 (64-bit), x86 (32-bit), Microsoft Windows 8 x64 (64-bit) or x86 (32-bit) OS, Mouse, Keyboard. Administrator rights are required for installation. From either Tektronix instruments(included on the accompanying list) or external PCs, if communication with external instruments via GPIB, RS232, USB or LAN is desired, appropriate communication bus connections must be established. For more information on this, please see the readme.txt on this web page.