Already ears about Windows 7 exist more than a year. Microsoft, unerstanding the low popularity of Vista, decided to tell about the next OS version's plans. At the beginning of 2008 its first preliminary build was ready and performed to a few partners of the company. And at the end of October, 2008 there is the 6801 build in Internet. We were able to get it in the order and suggest to familiarize with it in this article.