menu laterale a dx

[CRAZYMAD]

hello to all are new but above all are a self-taught solidworks

Now my question that I think is trivial for any user is this I missed the right menu and I don't know how to reactivate it someone can help me?
where there is also the toolbox library

thanks to all

 

[CRAZYMAD]

it was too easy
view and bread task

Sorry but they're too much... let's forget hahahah