It seems that u have already posted it 2 times...
You are right. The only problem is we can't edit download page since several weeks ago, at least for me.You don't upload a new file, because you get a new thread.
You update your existing upload, and change the version number.
See this sticky :-
http://www.racedepartment.com/forum/threads/guide-upload-your-files-to-rd.56072/#post-1309751
You are right. The only problem is we can't edit download page since several weeks ago, at least for me.