We cannot comment on unreleased products. However, please know that Intel will provide support for the list of adapters that will be support on Windows* 10 when officially released. The drivers will be available, please check our download center for updates after this OS is released.
Here is a link to the latest IT Administrators downloads: https://downloadcenter.intel.com/download/25225
Be advised, for your systems with 7260 or 3160 (or older adapters) running Windows 10, please use the Windows 8.1 drivers. The 8.1 drivers are dual signed for Windows 8.1 and Windows 10 for 7260, 3160, 6235, and 2230. For you systems with our newer adapters, 7265 or 3165, you can use the Windows 10 drivers.