Why? because Pioneer has one of the worst sites on the internet, literally slow as crap, have to log out and log in 8 times before you get the box here to even reply and yes i have turned on and off all the browser settings recommended by pioneer and its still a joke around the forums, says you're logged in but you're really not, the complaints from users go on and on, they said months ago a new site was coming the end of September but i guess that's September of 2024, LOL
ANYWAY, try downloading 6.8.0 from here - https://rekordbox.com/en/support/faq/v6/
scroll down to - ""I want to use previous rekordbox ver. 6.""
Stay away from 6.8.1 if you plan on using sync manager for USB drives