Instructions
Internet Explorer
Open your Internet Explorer Web browser and visit the ROBLOX download webpage.
Click "Install" and "Run."
Click "Run" a second time to run the ROBLOX installer. Once it is finished, you can access the ROBLOX Studio software by clicking "Start,""All Programs." Double-click the "ROBLOX" folder.
Other Web browsers
Go to the ROBLOX main webpage and click "Games" from the menu selection.
Click on any game. The game itself doesn't matter --- it just takes you to the screen needed to install the software. Once on the game screen, click the green "Play" button.
Click "Save File" once the pop-up download file appears.
Double-click on the saved "Roblox.exe" file to run the installer. Once installed, you can access the ROBLOX Studio software by clicking "Start," "All Programs." Double-click the "ROBLOX" folder.