Hey Guest! Ever feel like entering a Game Jam, but the time limit is always too much pressure? We get it... You lead a hectic life and dedicating 3 whole days to make a game just doesn't work for you! So, why not enter the GMC SLOW JAM? Take your time! Kick back and make your game over 4 months! Interested? Then just click here!
Open Game Maker : Studio, head over to Marketplace Beta tab. It'll ask you to login. After login, click Marketplace Beta > My Library.
There you can download and import them into your project.