step one: go to beta editor

step two: click the settings icon

step three: click the red arrow

and voila!

if you want to continue something or add something from the file you saved, just click the green arrow, in the settings, in the beta editor

if you want to share it, go to ufile.io , click the box, drop the file you wanna share, wait, and it'll give you the link copy past the link here or under one of your posts and there you go!

same here, ik how but they never work for meh :C