I have the previous version (6.8) on my computer right now but when downloading the new 6.9 it just downloads the rar file and not a zip like the last time. How do I use this to update the current game on my PC so I can plat the newest version?

Hi RJ!

Sorry for the switch! We had a different team member upload last time. You can extract .rar files with https://www.win-rar.com/start.html?&L=0 (It's free)

I'll make the suggestion to keep things as .zip to keep it more simple in the future, may be slighter bigger file sizes.