How can I make my Windows 7 look like in the images that were posted on TechCrunch in 2007?
You can't. That wasnt an actual OS, that was a preview image.
what do you mean cant understand
Just keep trying
He means that those are only concept images of what someone at Microsoft thought 7 could be. In traditional Microsoft style, the original concepts never saw the light of day and consumers got about half of what it could have been.