The next build of Windows 7 that is leaked to Internet after Windows 7 Build 7201 was Windows 7 Build 7227 with SP1. However, the leak is in the form of VHD virtual hard disk image. It means that the image is meant for mounting into virtual machine with similar hardware specifications. Anyway, the build tag for Windows 7 Build 7227 is 7227.0.winmain_sp.090602-2110, which indicates that the build is signed off on June 2nd, 2009, and is from Windows 7 SP1 branch.

Windows 7 Build 7227

Download 32-bit Windows 7 Build 7227 with Service Pack 1 (SP1) x86 VHD

File Name: 7227.0.x86fre.winmain_sp.090602-2110.client_en-us.ultimate.vhd
SHA1: 3FFE342C8A9FD2CDF0AF937D2A25BCA640C4010B)
Size: 5,584,065,536 byte
CRC: 616985FA
MD5: F98F78D86940761D8909023A00C75704
SHA1: 082F189EE4F58393D3CB113B0F46EC0E1EE41BD8

Download Torrent: 7227.0.x86fre.winmain_sp.090602-2110.client_en-us.ultimate.vhd.rar.torrent

Note that the original VHD is in packed RAR archive. The size of RAR file is 2,005,278,460 byte. If you don’t want what to do with a VHD image, some Windows 7 enthusiasts have managed to convert the VHD to working installation ISO by using Windows 7 Build 7201 loader. After installation, you can verify that Windows 7 is build 7227 from registry’s BuildLabEx registry key.

Download 32-bit Windows 7 Build 7227 with Service Pack 1 (SP1) x86 ISO

Torrent: 7227.0.x86fre.winmain sp.090602-2110.client en-us.ultimate(vasill).iso

The update on Windows 7 development build strings on winmain and winmain_sp branches:

Pre-RTM winmain branch:
6.1.7137.0.winmain.090521-1745 – build leaked to web
6.1.7138.0.winmain.090522-xxxx
6.1.7139.0.winmain.090526-xxxx
6.1.7140.0.winmain.090527-xxxx
6.1.7141.0.winmain.090528-xxxx
6.1.7225.0.winmain.090529-1930
6.1.7226.0.winmain.090601-xxxx
6.1.7227.0.winmain.090602-хххх
6.1.7228.0.winmain.090603-хххх
6.1.7228.0.winmain.090603-19xx
6.1.7229.0.winmain.090604-1901
6.1.7230.0.winmain.090605-1900 – actual build in winmain branch

Windows 7 with Service Pack 1 winmain_sp branch:
6.1.7141.0.winmain_sp.090528-2045
6.1.7225.0.winmain_sp.090529-2022
6.1.7227.0.winmain_sp.090602-2110 – build leaked to web in VHD file
6.1.7228.0.winmain_sp.090603-20xx
6.1.7229.0.winmain_sp.090604-20xx
6.1.7230.0.winmain_sp.090605-20xx
6.1.7230.0.winmain_sp.090607-2000 – actual build in winmain_sp branch

Update: Windows 7 Build 7229 has leaked.