Help with uploading my code

Please i don’t know how to save my code and share the link. Sorry I am new here. Please i need this answer quickly as i need to go to bed

i have done my first project. how do i upload so i share the url and move the next project. i have the code in local computer and it has also pass the test on the link shared by freecodecamp https://codepen.io/freeCodeCamp/pen/MJjpwO how can i save and share the link to earn my certificate

if you have a codepen account there is a Fork button in the bottom right corner that will copy the pen to your account