The website seemed bugged on desktop versions, mobile version of the site works though, so there is a way to bypass it.
If you're on Chrome, right click the mediafire site and click on inspect, coding of the site will appear on the right side.
There's a tablet/phone symbol on the top left of the coding window. Click on that and it will change the site to the mobile dimensions, refresh the page and the site will look like you're browsing it through the mobile version. Input password and file should start downloading, though mine for some reasons started downloading without inputting the password.
Hope this helps.