Just a quick post, I found this not too long ago. Yesterday or the day before infact.
The same general idea method I used for getting specific BlueJ IDE versions seems to have also worked for Winrar as well.
It is the same case in which only the displayed versions appear to be available for download, when there are more available.
Despite sending an email contacting in regards to seeking and obtaining older versions, and being told otherwise.
If you are interested in obtaining previous versions of Winrar, you can use these links:
32-bit: https://www.rarlab.com/rar/wrarXYZ.exe
64-bit: https://www.rarlab.com/rar/winrar-x64-XYZ.exe
Replace XYZ in the URL with the version you wish to obtain.
The earliest you can obtain for 32-bit is 290.
The earliest you can obtain for 64-bit is 390.
5.60 is when they updated the icons.
Cheers to good memories!