Confirm that the EPC installed or not

hello,all

     i have installed the netweaver 7.4 in my service,and i want confirm the  EPC(Event-driven Process Chain) components is installed or not.

i checked the url "http://localhost:50000/---->System Information---->Components Info. but i can't find any components name like "EPC".

where can i find the infomation about the EPC ?

Thanks.