A compressed version alone won't make Illustrator fly on a 2 GB RAM laptop. You need additional tweaks.
Set color and grayscale images to Average Downsampling to 150 or 72 ppi for web viewing (300 ppi is industry standard for print). adobe illustrator highly compressed
With these specs and a CS6 compressed repack, you can comfortably work on simple logos, posters, and typography. Complex 5+ artboard projects will lag. A compressed version alone won't make Illustrator fly