As was said on Discord, this is something on your end. There's absolutely nothing we can do for you.
For the record, I just tested this download on three different devices, with three different accounts, and with three different levels of access. Download was successful on each attempt. There are no server side errors or know outages with our host. If you're using an IDM, don't. Not only is it prohibited (and a dick move) but it will cause this type of issue.