Back from the day of Windows 7 development, Windows 7 Service Pack 1 is in news for different reasons like leaked Screenshots, leaked Windows 7 SP1 Build 7604.16543 or roadmap leak. Wzor the prime source of multiple Windows 7 Build leaks also continues to leak Windows 7 Service Pack 1. Now it’s Windows 7 SP1 Build 7601.16556.100421-1510 v.172 leaked by Wzor.

From build number it looks this build of Windows 7 SP1 was compiled on 21^st April 2010. Nothing new can be found in this leaked Windows 7 Service Pack 1 builds except bug fixes. Here are hashes of Windows 7 Build 7 Build 7601.16556.100421-1510 SP1.

BUILD: 7601.16556.100421-1510; Service Pack 1, v.172
FILE: 7601.16556.100421-1510_Update_Sp_Wave0-B1SP1.0_DVD.iso
SIZE: 1,306,019,840 Byte
CRC: 9EEC87D7
MD5: ADD8D6C1C17CAAF3C4C4B7A86BBE164A
SHA1: 0DE53C0F707FF9DD81457F7290B4A6E6E66EA089

Wzor has also posted details of Windows 7 Development process which is as follow,

4/14/2010 - Beta Release!
4/12/2010 - Beta Release to HTP RTM
4/14-6/11 - Beta Deployment and Feedback
5/10-5/21 - Win7 BTP
6/07/2010 - HTP RTW
5/17-6/11 - RC FTP
6/21/2010 - FORK RC

A Beat and Release candidate of Windows 7 Service Pack 1 should be expected any time soon where RTM version may come the end of October, or early November of 2010.

(Via Geeksmack)

Screenshot courtesy:  Fransico Martin