If you wish to add Roblox Studio to your Steam library ... and you can bring this up in-game by pressing Tab and Shift. So, whether you're a creator or a player, you have your answer to whether ...

Inside Roblox Studio, you can create new games by clicking + New tab on the left hand bar. This will bring up a series of templates for you to work from that can be sorted by theme or gameplay style.

Firstly you'll need to download and install Roblox Studio ... You can add a block easily by clicking the "Part" button under the Home tab on the top panel, then edit the block to create stairs ...