STEPS:
>Click the three dots on the top right corner of your screen, and then click Edit.
>Go to "File" (top left corner) and click "Publish to ROBLOX As..." (or Alt + Shift + P) and select a place or create a new place and follow the steps.
>Click the Develop tab and then activate the place if it hasn't already.
>Go to the place, and click Play.
>Enjoy!