Excel is either not installed on your Mac or does not meet the minimum version requirement

This article will help you solve the following problem: "Excel is either not installed on your Mac or does not meet the minimum version requirement. Please install or update it then start XLSTAT again.”
You may encounter the following error message when opening XLSTAT:
First, go to the Finder, then check that Microsoft Excel is installed and present in /Applications (not in a subfolder, but in the main Applications folder), with the name Microsoft Excel.app or Excel. It should look like this:
If it is installed but not visible as above, locate Excel and move it from where it is to the main /Applications folder. If the problem persists, please make sure that your Excel version is supported : Supported systems for XLSTAT