You agree to assume responsibility for all activities that take place under your member identity and password. Home use or personal use of the system by teachers and staff is allowed for full-time workers with the purchase of a campus license plus an additional personal system license. Tip! Before you install SigmaPlot, make sure that you have closed Microsoft Excel.1. Double-click sigmaplot.exe.A series of dialog boxes for SigmaPlot Installer appear. No license key or file is required at this point, as you can install SigmaPlot with the 30-day test license. You can update it at any time later. Any software available for download via the website is the copyrighted work of SSI and/or its licensors. Use of this software is subject to the terms of the end user license agreement that is attached to or included in the software.