In both editing design, professional drawing, web layout, mobile graphics, web interface, or cinematographic design. What is Adobe IllustratorĪdobe Illustrator is a computer application dedicated to the design of vector drawings and graphic elements for almost any type of media and device. You can easily use it without installing Adobe Illustrator CS6 on your system. Portable means it does not need to be installed on a computer to run. Adobe Illustrator CS6 Portable Free Download.