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First published on MSDN on Nov 09, 2016
Version 1607 of the Windows HLK enables you to distribute drivers to specific Windows 10 versions through Windows Update.

When you distribute to a specific version of Windows 10, the Hardware Dev Portal submission must contain HLK results for that version. If distributing to all Windows 10 versions, you must include results for each version as part of the submission. Including HLK results for previous versions ensures that drivers built for the current version also function properly when installed on previous versions of Windows 10.

After successfully submitting a package that contains HLK results for versions 1607 and 1511, you'll see two options in the Driver Distribution Center:

  • Windows 10 (version 1607 and 1511)

  • Windows 10 Anniversary Update (version 1607)

The following table shows different distribution scenarios in relation to the 90-day transition timeline after the release of Windows 10, version 1607:
If your submission contains these HLK test results:Within 90 days of 1607 RTM, your drivers can target the following versions:After 90 days of 1607 RTM, your drivers can target the following versions:
1511 & 1607 1511 & 1607 1511 & 1607
1511 1511 & 1607 1511 and 1507*
1607 1607 1607

*Windows 10, version 1507 and Windows 10, version 1511 cannot be individually targeted

The image below shows the distribution options when a submission includes test results for both Windows 10 versions. Windows 10 targets versions 1511 and 1507, while Anniversary Update targets version 1607 and above:

Commonly-asked questions are listed below:

If I want to obtain Windows 10, version 1507 compatibility, can I test my driver with version 1607 of the HLK?

  • Yes, version 1607 of the HLK can be used to generate test logs that validate Windows 10, versions 1511 & 1507 scenarios.

A previous blog post mentions that version 1607 of the HLK will be required for making submissions after October 31, 2016. After this date, will I still be able to make submissions for Windows 10, version 1511?

  • Yes. Version 1607 of the HLK supports validating Windows 10, version 1511, as well as Windows 10, version 1607.