Start with UE4 from scratch ?It's a good idead to start with it?

ok I have my subscription and I downlaoaded UE4 and all stuffs o marketplace but how can I do to launch an example project??

when I click on a casual project I downlaoded UE 4 ask me If I want to create a project but after I made that…I cannot see the project into my project browser…must I do something I’m missing??

thanks…