First thing to do: Get the link as shown below. Then you'll have something like this: https://www.dropbox.com/s/vkkt46voi0vw02b/Bonus%20Freebies%20Set-%20wip%20file.ai?dl=0 Then change"https://www" to dl and in the end of the link you will notice "dl=0" then change that to "dl=2" After that your link will look like this: dl.dropbox.com/s/vkkt46voi0vw02b/Bonus%20Freebies%20Set-%20wip%20file.ai?dl=2 Then paste this link to the IDM by clicking Add URL: