I'm trying all this afternoon. and it say that:
"They are producing some problems; Try it again later. If the problem persists, contact Customer Support."
I really need ir for tomorrow
You MUST have a 64bit computer and operating system... what is your computer?
MINIMUM for After Effects and Premiere Pro http://helpx.adobe.com/premiere-pro/system-requirements.html
Please read https://forums.adobe.com/thread/1499014
-try some steps such as changing browsers and turning off your firewall
-also flush your browser cache so you are starting with a fresh browser