Studio is the premier building tool of ROBLOX. Providing our Developers with a more comprehensive and intricate set of tools, which allows for a greater sense of control and creative expression. ROBLOX Studio's features are accessible to a variety of skill levels, and for the aspiring builder, time invested brings great rewards. Many of our best Developers use it frequently to get the most out of their creations. Tools range from simple manipulation of objects or terrain, to entering complex scripts and game functions. ROBLOX Studio also allows you to test your games in an isolated environment before uploading them to the ROBLOX website.
To help provide a starting point, here is a handy Video Tutorial by Stickmasterluke, on how to find, run, and use ROBLOX Studio for building:
Here is the link to additional Video Tutorials along with links to other helpful resources: