When I Bought Minecraft I Played In SinglePlayer But I Wanted To Try MultiPlayer

I Went To See It And When I use Direct Connection But it Times Out, I Tried To Make My Own And It Just Says "Cannot Resume Host Name". I Use Many Things Like Videos, Your Suggestions, And More. Nothing Works Can You Please Help.

1. I Bought Minecraft
2. I Played Single Player With No Mods Or Anything Extra
3. Then I Wanted To Play Multiplayer