This download is the Windows installer. It will install the Tulip Cell Excel add-in. It works with Excel version 2000 through 2016, both 32 and 64 bit editions.
Tulip Cell is under active development. Be sure to check back often for updates.
You can also get the complete source code from GitHub. The actual indicator math is provided by Tulip Indicators, an open-source library of technical analysis indicators.
If you run into any problems, don't hesitate to contact me.