The Windows 10 final RTM ISO and IMG images which Microsoft provided to OEM manufacturers to load on new devices and PCs have leaked to the web. The leaks cemented that Windows 10 Build 10240, with full build version of 10240.16384.150709-1700 is indeed the final gold master RTM release, and from retail channel. As the RTM build was compiled on July 9th, Microsoft adds general distribution release (GDR) knowledge base (KB) releases, or zero day packages (ZDPs) to the RTM build to fix and patch any bugs that discovered after that.

The first leak of Windows 10 RTM came last week from China, where an original OEM IMG image of 64-bit Windows 10 RTM en-US Pro and Home was uploaded to a popular Chinese forum. Though the IMG image is original, but the file name of the IMG is just a guess rather than official name, as the uploader only managed to get the part number when he obtained the image. The IMG file information as follow:

File Name: X20-08980_SW_DVD5_NTRL_Win_10_64BIT_English_Win_Pro.img
Size: 4,083,855,360 bytes
CRC32: B1A4699E
MD5: 23E397A21A9E01F141C64B7E1260314A
SHA-1: 60CCE9E9C6557335B4F7B18D02CFE2B438A8B3E2
SHA-256: DEE793B38CE4CD37F32847605776B0F91D8A30703DFC5844731B00F1171A36FF

Though the first leak of Windows 10 RTM is in IMG image format, it can be easily converted to ISO image format.

This week, the usual WZor published both 32-bit and 64-bit Windows 10 RTM en-US Home, Pro and Enterprise editions ISO images, verifying that the Windows 10 RTM x64 OEM IMG is original, as it’s exactly the same image.

Here’s the file information of leaked Windows 10 RTM OEM ISO images for en-US version of Windows 10 Home (Core) and Pro editions and Windows 10 Enterprise edition:

32-bit (x86) Windows 10 Home & Windows 10 Pro en-US OEM ISO

File Name: 10240.16384.150709-1700.TH1_CLIENTPRO-CORE_OEMRET_X86FRE_EN-US.ISO
Size: 3,053,865,536 bytes
MD5: 99FEB0F9E7262B7EEFA460840A31B59D
CRC32: 57F04DBD

64-bit (x64) Windows 10 Home & Windows 10 Pro en-US OEM ISO

File Name: 10240.16384.150709-1700.TH1_CLIENTPRO-CORE_OEMRET_X64FRE_EN-US.ISO
Size: 4,083,853,312 bytes
SHA-1: 60CCE9E9C6557335B4F7B18D02CFE2B438A8B3E2
MD5: 23E397A21A9E01F141C64B7E1260314A
CRC32: B1A4699E

32-bit (x86) Windows 10 Enterprise en-US OEM ISO

File Name:10240.16384.150709-1700.TH1_CLIENTENTERPRISE_VOL_X86FRE_EN-US.iso
Size: 2,909,575,168 bytes
MD5: 68162933E551E55779504DACDFB0C5AE
SHA-1: E7138032986BFCFA0E5F1A8E41E2E9FD1EC94268

64-bit (x64) Windows 10 Enterprise en-US OEM ISO

File Name: 10240.16384.150709-1700.TH1_CLIENTENTERPRISE_VOL_X64FRE_EN-US.iso
Size: 3,9393,235,840 bytes
MD5: A67722ADFAF209C72EACB3AB910EE65E
SHA-1: 30AD1CDF5D0670F12788005131E24862F6AB8AAB

All these ISOs may be redundant if you’re creating ISO from ESD, which was delivered through Windows Update to Windows Insider.

In addition to the Windows 10 ISO images above, WZor also released the language packs (MUI and LIP) for Windows 10 RTM, together with Single Language (SL) version of the above ISO images. Single Language version of Windows 10 is released in emerging market to help reduce piracy. It only allows single language to be installed and has no ability to add other languages.

You may or may not hear the “RTM” on Windows 10 general availability date when the new OS is released to general public. Microsoft has intended to tone down the development milestone of Windows operating system, but instead continue to roll out patches, hotfixes, and updates to Windows as part of Windows as a Service commitment for the life of the device.

Update: Download official Windows 10 ISO

Windows 10 - Important Information