Same Here, i got to the Adobe shop and click on free trial then it opens up my adobe CC and nothing happens..... Is After Effects Still On Free Trial?
I think AE requires a 64bit computer... what is your computer?
-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
A chat session where an agent may remotely look inside your computer may help
Creative Cloud chat support (all Creative Cloud customer service issues)