The newer version of Microsoft windows 7 service pack 1 has not been officially released but has hit the road via
torrents, rapidshare, etc
After the least success of vista Microsoft released the new OS "Win 7" with much more prominent features like faster boot-up, security ,etc The update service pack 1 is said to be a collection of windows updates and is recommended to be downloaded when its officially released along with windows update features preventing it from a Zero-day attack.