help to a newbie - whats the first to do if anything

I am new here and dont quite understand how to search....and i dont see "sticky" threads that have the comon topics.

so...I just bought a 900 4seater 2012.
has canvas toof, 1/4 windshield and box in the back

2700 miles

what if anything should i do to if that is smart and or cool!

spomey