We have done some updates on the Accounts site that may hide the Browser Download of our software. We added some logic to allow other Geos to auto-detect preferred language of download automatically and hence the behavior change. For some products you'll need to specify the Platform in order to see the More options link where you can do a Browser Download.
Please check out this screencast:
Here is a link to the screencast if the embedded video doesn't work for you:
https://screencast.autodesk.com/Main/Details/dc9c4279-f69f-4316-8c40-521d81437dc5