Pirated copies of the Windows 7 Release Candidate have leaked to file-sharing sites, according to several reports on the Internet and searches of BitTorrent trackers.

A search on the Mininova.org BitTorrent tracking site early Friday found six Windows 7 Build 7100 listings, available in both 32- and 64-bit versions, that commenters on peer-to-peer sites identified as the release candidate (RC) Microsoft Corp. will deliver early next month.

As of 11 a.m. Eastern time, the six torrents on Mininova showed more than 1,400 total "seeders" -- the term for a computer that has a complete copy of the torrent file -- and about 14,000 "leechers," or computers that have downloaded only part of the complete torrent. Approximately 20,000 copies of the files have been downloaded since the leaked Windows 7 RC hit file-sharing sites earlier today.

According to people who downloaded the 3.05GB 64-bit version or the 2.36GB 32-bit edition, Build 7100 carries signed dates of April 21 and April 22, respectively.

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