Unless you got a very unusual
boat that is in "ready to go" condition, I think you will be spending a lot of time
cleaning and re-working systems and the sail systems on the
boat before you can get to "really" sail the thing. That doesn't mean you cannot go
motor sailing or "pretend sailing" with
sails up and the motor off until you get things back to "ready to go" status.
That said, sailing a big boat is like driving a bus compared to a sports car - procedures are the same but things happen a lot slower and take a lot more time. Otherwise most all the procedures are not different from
small boat or medium size boat sailing.
What will take some of the time is investigating and working with the much larger
sails and control lines to learn what and how they do what they do and how much time it takes to do it safely.