Recently Microsoft has released Windows 7 SP1 RC version whose build is 7601.17105.100929 for testers.
Now this RC version is leaked and could be found on various Torrents Or Filesharing sites.
You may find both 32 Bit which is of size around 309 MB and 64 Bit which is of 625 MB.
This version is available in English, French, German, Japanese, and Spanish languages.
Recommendation :- Like always, we recommend you to stay away from these leaked version and wait a while,You will soon be able to download this build from official link.