This course uses Excel, Microsoft 365
If you have a stand-alone version of Excel you should be OK with Excel 2013, 2016 and 2019.
If you have an older version like Excel 2007 or 2010 you will find most of the course ok; however, there are a few new functions that you will not be able to use. You will also find the Power Pivot part on the fourth day difficult to follow.
The bottom line is that Microsoft 365 is the best option (including the stand-alone versions from 2013).