My Nintendo 64 is freezing ever time I put a game in?

I love my Nintendo 64. Its so old, but it freeze all my game. I do not know why. It is driving crazy, what do I do to get my Nintendo 64 to work again. I have good game like Hey you Pikachu,Glover,Pokemon snap,banjo-Kazooie,The Legend of Zelda Ocarina of time,Silicon Valley,Super Smash Bros,Cooker's Bad Fur Day,Pokemon Stadium,Pokemon Stadium 2,Donkey Kong 64 need the red thing to play it,Golden eye,Triple play 2000,Nhl Breakaway 99,NBA Courtside,Madden Football 64. So how to get all these game to work with out it freezing on me. Please help me and need lots of Answer thanks amy.I do not have any cleaning stuff for it.