Create or open your experience in Roblox Studio
Make sure your game is saved
Go to File
Click Publish to Roblox
Sign in to your Roblox account if prompted
Enter a title for your game
Add a description if needed
Choose the game genre and other settings
Select whether the game is public or private
Click Create or Publish
To update an existing game, go to File
Click Publish to Roblox As
Select the existing experience
Save the changes
Open the Roblox website
Go to Create
Find your published game in Experiences
Adjust permissions, thumbnails, and settings if needed
Test the game after publishing