Newbie for golf advice

Hi everyone,

Getting into golf late in life. Im starting with hand me down clubs and the mentality of just swing and hope for the best. Looking for some good advice on how to improve my game. I'm not trying to do anything special just hit the ball consistently because I top the ball a lot and I slice the hell out of my shots mostly driving the ball. I would like to do lessons but right now money is tight and if I'm going to spend money on golf i might as well be playing a round. Any tips would be appreciated.