Below is one of the 24 "events".
Most events have different versions.
For example, this one has 31.
Please note that the download file is 280 megabytes in size.
Click here and save the file cooroora_3_15.exe to your desktop.
Double click on this file.
Delete cooroora_3_15.exe when the install finishes.
Sadly many systems will regard my innocent program as anything but.
However be assured that all is ok provided you have used the link on this page.