Installing SimplexD
The program now comes as an installation package much like the one that you used to install Microsoft Office. After purchase you will receive the download link. Click the hyperlink to the download page and click "Download setup.exe". Using Internet Explorer you will see this Dialog
At this point click Run & the installation will start. A series of screens will display to lead you through this process, starting with this one.
The next step requires you to simply check the box confirming that you agree to our terms & conditions. After this you will be told where the program will be instlled, typically, C:\Program Files\SimplexD. At this point youu can create your own destination, maybe to the Desktop. This is a good idea so that you can easily find the program. After this the program will install to the selected location, and you will receive the final Dialog which is to Finish.
After this Excel will open & you will be prompted to save SimplexD as an Excel addin. Doing this will make sure that you can access the Program from within Excel.