Click the “Device” box in Rufus and ensure your connected drive is selected.
You will immediately see a new entry called "247D1CFF 2009-01-21 Launchpad PPA for Open Scribblers". Take a look below for some shots of Open 3.0 in Ubuntu 8.10 (Intrepid Ibex).
Next, restart your computer and boot from the USB drive using these instructions.
You can also take it to another computer and boot Ubuntu from the USB drive on that computer.
Here are some instructions on how to enable Java Script in your web browser.
A bootable USB drive is the best way to install or try Linux.